fast please

In goods transport service the cost units is. a. Cost per ton kilo meters b. Cost per vehicle C. Cost per ton O d. Cost per hour Calculate reorder level from the following, consumption per week 100 - 200 units and delivery period 28 - 56 days. a. 2,400 units b. 2,000 units c. 1,600 units O d. 800 units A profit centre is a centre. a. which manages cost b. which is concerned with earning an adequate return on investment c. where the manger has the responsibility of generating and maximizing profit O d. which is concerned with increasing cost