Bert s Bottles provided the following expense information for July Assembly line workers wages Depreciation on factory equipment Caps for bottles Plastic bottles Reconfiguring the assembly line Salaries of salespeople Customer support hotline Salaries of research scientists Delivery expenses Customer toll free order line OA 61 300 O B 12 700 OC 21 200 OD 76 400 56 000 35 400 3 000 52 300 123 100 63 700 12 700 65 500 40 100 8 500