Variable, fixed, and mixed costs

Philadelphia Acoustics builds innovative speakers for music and home theater systems. Consider the following costs:

1.Units of production depreciation on routers used to cut wood enclosures.

2.Wood for speaker enclosures.

3.Patents on crossover relays.

4.Total compensation to salesperson, who receives a salary plus a commission based on meeting sales goals.

5.Crossover relays.

6.Straight line depreciation on manufacturing plant.

7.Grill cloth.

8.Cell phone costs of salesperson (plan includes 1,200 minutes; overseas calls are charged at an average of $0.15 per minute).

9.Glue.

10.Quality inspector’s salary.

Requirement

1.Identify the costs as variable (V), fixed (F), or mixed (M).