A firm with market power faces the demand function q = 2,000 – 20P. The firm’s total cost function is TC(q) = 20q + 0.02q2 + 2,000. In this market,

A firm with market power faces the demand function q = 2,000 – 20P. The firm’s total cost function is TC(q) = 20q + 0.02q2 + 2,000. In this market, the output level that maximizes total surplus is ____ units.
A) 777.78
B) 888.89
C) 921.91
D) 940.63