A One-Person Automobile Oil Change in Rural Mississippi Has a Fixed

Multiple Choice

A one-person automobile oil change in rural Mississippi has a fixed overhead of $\$ 900.00$ per month. The variable cost per oil change $\$ 10.00$ . The charge is $\$ 30.00$ for one oil change. If the owner/worker Joe Smith performed 200 oil changes in October 2005, the total contribution in October 2005 is

A) $\$ 6,000.00$
B) $\$ 2,000.00$
C) $\$ 4,000.00$
D) $\$ 3,100.00$
E) none of the above