Craig's Red Sea Restaurant Is the Only Restaurant in Columbia,South

Craig's Red Sea Restaurant is the only restaurant in Columbia,South Carolina,that sells Ethiopian food.The demand for Ethiopian food is given by Q = 25 - P.Craig's costs are given by TC = 25 + Q + 5Q².Its maximum monopoly profit is:

A) -$1.
B) $21.
C) $22.
D) $24.
E) $26.