“…Various approaches were proposed for more accurate cash flow forecasting (Boussabaine and Kaka, 1998;Kaka, 1996;Kenley and Wilson, 1986;Miskawi, 1989;Navon, 1996;Tucker, 1986). Barbosa and Pimentel (2001) developed a linear programming model by dealing with typical financial transactions, possible delays on payments, use of available credit lines, effect of changing interest rates, and budget constraints.…”