7) 2 points The following potential monthly profitability & sales opportunity information is given: Lamp A Lamp B Lamp C Revenue $54,000 $69,000 $61,000 Variable Cost $34,000 $29,800 $26,100 4000 5500 4500 Also, all lamps require special processing by a single machine. Lamp A needs 1.4 hours, Lamp B needs 2.30 hours and Lamp C requires 2.40 hours of time on the machine. You cannot afford another machine. What lamp type is most profitable based on the constraint provided