For September, the cost components of a picture frame include 50.35 for the glass, $.65 for the wooden frame, and $0.80 for assembly. The assembly desk and tools cost $400. Given that 1,000 frames are expected to be produced in the coming year, then the cost function best represents these costs is Select one: a. 400 +0.35 Q O b. 400 40.89 O c. 400 - 65 O d. 1.8 400 e. 400 1,0000 1.400 +1.89