The cost components of a heater include $39 for the compressor $20 for the sheet molded compound frame, and $78 per unit for assembly . The factory machines and tools cost is $50.000. The company expects to produce 1700 heaters in the coming year. What cost function best represents these costs? Select one: A. y 1700 + 137x B.y=50,000 + 137 c. y 1700 + 50,000X Dy 50,000+ 1700X