Staley Co Manufactures Electronic Equipment

Staley Co. manufactures electronic equipment. The following is a summary of its basic cost and revenue data:Assume that Staley Co. is currently selling 600 products per month and monthly fixed costs are $80,000.
Staley Co.'s operating income (πB) is calculated to be:

A) $19,800.
B) $21,800.
C) $24,800.
D) $23,800.
E) $20,800.