The Per-Unit Amount of Three Different Production Costs for Thunderbird,Inc

Multiple Choice

The per-unit amount of three different production costs for Thunderbird,Inc. ,are as follows: What type of cost is each?

A) Cost A is fixed,Cost B is mixed,Cost C is variable.
B) Cost A is fixed,Cost B is variable,Cost C is mixed.
C) Cost A is variable,Cost B is mixed,Cost C is fixed.
D) Cost A is variable,Cost B is fixed,Cost C is mixed.