A rectangular prism has dimensions h = 2 ft, w = 7 ft, and l = 4 ft. The prism is cut into two separate rectangular prisms by a plane parallel to one of the faces. What is the maximum increase in the surface area between the original prism and the two separate prisms?

A. 8 ft

B. 14 ft

C. 16 ft

D. 28 ft

E. 56 ft