A research company has 3 different laboratories. The number of laboratory assistants at each level recently hired is shown in table A below. Level 1 Level II Level III 12 15 8 Lab A 12 6 Lab B 10 6 4 Lab C The monthly salaries and benefits for each level are shown in table B below. Salary Benefits 2,300 540 Level I 3,750 625 Level II 5,700 850 Level III Compute the matrices given by tables A and B above and interpret the meaning of their entries. 7

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