can someone please explain to me how to do this question? thanks

Problem 7 (Ch 9-Process Oriented Layout A job shop has three departments: A, B, C. The Operations manager has developed a flow matrix that describes the number of units moving between departments per day (Table 1). 1 have three locations available: 1, 2, 3. A distance matrix (indicating the distance between locations was also developed (Table 2). The matrix flow (Table 1): (From/To) A B 12 24 B 8 22 16 8 The matrix of distances, in meters is given in Table 2: Table 2 1 2 3 1 15 2 15 3 The firm estimates that each 2 meter trip costs approximately $1. a. What is the movement cost in $ per day for the assignment A-3, B-1, C-2? 30