Technological assurance and improvement of the economic efficiency of production are the first-priority issues for the modern manufacturing engineering area. It is possible to achieve a higher value of economic efficiency in multiproduct manufacturing by multicriteria optimization. A set of optimality criteria based on technological and economic indicators was defined with the aim of selecting the optimal manufacturing process. Competitive variants and a system of optimization were developed and investigated. A comparative analysis of the optimality criteria and their influence on the choice of optimal machining processes was carried out. It was determined that the batch of parts made an impact on the selection of the manufacturing process.

The article analyzes the essence of such important categories as profit and profitability. Factors, both external and internal, have been identified that have a large impact on these categories. The conditions of the modern market and the situation caused by the COVID-19 pandemic were considered. The main purpose of the study is to identify how the COVID-19 pandemic and quarantine restrictions affected revenue, service delivery, etc.; what measures have been taken to increase profits in business; what risks can be expected due to the re-introduction of lockdown in Ukraine. The analysis of profitability of the realized production will allow to understand, to what goods it is necessary to pay special attention at their sale or in general to withdraw from realization to reduce expenses for their manufacture considering needs of the modern market. The analysis of profitability of sales within the limits of a complex estimation of efficiency of results of the enterprise gives the chance to consider profit in several its kinds. The ratio of gross profit and revenue shows how much from the sale of products the organization can use to cover commercial and administrative costs. In this regard, increasing the profitability of the organization will be a key area of activity in today's environment, associated with the optimization of existing costs and increase projected revenues. Having made a certain analysis of the average level of profitability, it is possible to determine which products and which specific units of the enterprise create the required level of profitability, and which lead to losses. Such information is most important in a particularly competitive market economy, as financial performance will depend on specialization and concentration of production. It is concluded that increasing the profitability of enterprises in modern conditions is of paramount importance, and management needs to use all possible ways to increase this indicator, in order to increase profits, which will ultimately affect the efficiency of the business entity as a whole.The economic downturn, reduced purchasing power, lack of support (or inefficiency) from the state have led to a reduction in production, or even the shutdown of entire sectors of the economy.

The article analyzes the economic essence of such an important category for any enterprise as project management. The necessity of its use in marketing activity is revealed. Its role in the marketing complex in the development of new products, as well as the improvement of existing ones is determined. If the company has several projects in progress, and each week has a dozen deadlines, the number of controlled tasks can exceed a hundred, then work without rushes, even with the busiest schedule will not be possible. Therefore, the use of project management techniques in such a stressful situation will provide opportunities to keep all processes under control, respond very quickly to identified problems and quickly adjust plans that will provide opportunities to work without rushes on a busy schedule. Each project has its own nature, life cycle, patterns and methods of management. Using a certain project management methodology will provide opportunities to implement it in an optimal way, avoiding failure and loss of money. The importance of project management grows when a company plans to develop a new product. Custom requirements for the future product should be formed by the marketer and this part of the work relates to project management. Mastering project management provides an opportunity to look more systematically at the task and the process of solving it, this is very important in the development and implementation of marketing strategy. The project management methodology is designed for complex resource-intensive projects and its full application will be excessive. It is necessary to use only that will really increase efficiency of work of division. It is necessary to implement and implement project management in the department, if employees will consciously participate in projects. The best way to achieve this is to hold seminars on the basics of project management for them. And as employees grow, it is possible to delegate some of the project functions to their specialization, which will increase staff motivation and relieve management of more complex tasks.

The place of marketing research management in the system of strategic planning is analyzed. The purpose of the article is to systematize the strategic aspects of marketing research management in an unstable business environment. A system of key indicators of the effectiveness of marketing research management at the stages of planning, organization, motivation and control is proposed. It has been determined that the key performance indicators of marketing research management at the planning stage can be: the accuracy of the formulation of the problem and the goals of marketing research, the optimal choice of the method for conducting marketing research, the accuracy of calculating the sample size, the convenience of filling out survey forms, the optimal methodology for analyzing data based on the survey results, accuracy interpretation of the results of marketing research; degree of achievement of the goal of marketing research. The key performance indicators of marketing research management at the stage of organization can be the results of SMART-assessment of marketing research goals, ensuring a representative sample of respondents, adhering to the rules for drawing up survey forms, organizing briefing for interviewers, ensuring the convenience of conducting marketing research, ensuring the variety of marketing information providers. Key indicators of the effectiveness of marketing research management at the motivation stage can be: the interest of the personnel of marketing departments in increasing the client base, the interest of staff in marketing departments in the growth of the number of new customers, the cost of attracting customers, the cost of an order. Key performance indicators of marketing research management at the control stage can be: compliance of marketing research tools with objectives, completeness of the research plan, quality of filling out questionnaires, completeness of solving problems in reports based on the results of marketing research.

The article analyzes the essence of such important categories as Internet marketing and online communication. Factors, both external and internal, have been identified that have a large impact on these categories. The conditions of the modern market and the situation caused by the COVID-19 pandemic were considered. The development of information technology provides an opportunity to create a virtual environment that has its own characteristics: it is dynamic business and the lack of territorial boundaries. These features of cyberspace enable enterprises to work and make a profit despite the COVID-19 pandemic and quarantine restrictions, transform and dynamically develop modern business processes, provide additional opportunities for their optimization and efficiency of the enterprise, create conditions for "flow" part business, and sometimes in general in a virtual environment, which will have a positive impact on business. The purpose of the study is to identify how the COVID-19 pandemic and quarantine restrictions affected the volume of services provided, etc .; what measures have been taken to increase profits in business. In the Internet environment today there is a huge number of potential customers in different market segments. The cost of communication with the audience in this environment is much lower, which is important in the current situation, with limited funds for businesses. Internet technologies give us the opportunity to work quickly with customers, providing their support. The efficiency of such work is increased due to fast communication with the client. The Internet offers flexible management of advertising communications. Thus even rather modest advertising budget guarantees the maximum return. For the current economic situation, Internet marketing is almost a panacea for advertising. And this applies to a variety of different areas of business. It is concluded, despite all the difficulties, more and more companies include Internet marketing in the list of tools used in the market. At the same time, an increasing number of companies use the Internet at all stages of their business activities. For many companies, the question is no longer whether to use the Internet, but what budget to allocate and how to allocate it.