“…# of travelling time [18], [19], [23], [24], [30], [32], [33], [35], [36], [39], [42], [46], [47], [58], [61], [66], [73], [76] min. the total travelling cost [8], [11], [12], [20]- [22], [24], [27], [28], [30], [39], [40], [42], [44], [45], [48], [51], [54], [55], [57], [59], [68], [72], [81] min. the rental cost [28], [59] min.…”