Bradley made a house for his dog, Bowser, out of wood with a cube base and a triangular prism top. The dimensions of the dog house are a = 3 feet, b = 1 foot, and c = 1.8 feet.

Note: Figure is not drawn to scale.

If Bradley plans to paint the outside of the dog house blue, not including the bottom, how many square feet of paint will he use?
A.
48.3 square feet
B.
58.8 square feet
C.
49.8 square feet
D.
67.8 square feet