Suppose That at a Given Volume,total Costs and Fixed Costs

Multiple Choice

Suppose that at a given volume,total costs and fixed costs are known.How are the variable costs per unit computed?

A) (total costs − fixed costs) /unit volume
B) (total costs/unit volume) − fixed costs
C) (total costs × unit volume) − (fixed costs/unit volume)
D) total costs − (fixed costs/unit volume)