Sweet Southern Tea provided the following expense information for May: Assembly - line workers' wages Caps for tea bottles Reconfiguring the assembly line Customer support hotline Delivery expenses Depreciation on factory equipment Plastic bottles to package tea Salaries of salespeople Salaries of research scientists Customer toll-free order line $72,500 3,800 125,500 10,700 20,800 75,200 52,700 63,800 70,700 6,900 What is the total cost for the customer service category of the value chain? A. $74,500 B. $85,200 C. $10,700 D. $17,600 ...