10. Toms toothbrushes, a small specialty toothbrush manufacturer, has the following costs:

Factory rent $1000 per month

Plastic $1.50 per toothbrush

Advertising $200 per month

Bristles $1.00 per toothbrush

Packaging $1.00 per toothbrush

Misc. $140 per month

If Tom produced and sold 400 toothbrushes last month, his total fixed costs were:

A. $1050

B. $1200

C. $1320

D. $1400

E. None of the above