My Big Banana (MBB)has a Monopoly in Middletown on Large

My Big Banana (MBB) has a monopoly in Middletown on large banana splits.The demand for this delicacy is given by Q = 80 - P.MBB's costs are given by TC = 40 + 2Q + 2Q².Its maximum monopoly profit is:

A) $267.
B) $467.
C) $627.
D) $672.
E) $674.