Volvo is exploring safety requirements for their new model. They would like to examine the impact of different materials for the bumper to be welded to the front of the car. Model A is a heavier bumper and required 20 pounds of a special high alloy steel, 40 minutes of manufacturing time and 60 minutes of assembly time. Model B requires 25 pounds of special high alloy steel, 100 minutes of manufacturing time and 40 minutes of assembly time. Volvo's steel supplier indicated that at most 40,000 lb of the high alloy steel will be available next quarter. In addition, Volvo estimates that 2000 hours of manufacturing time and 1600 hours of assembly time will be available for the next quarter. The profit contributions are $200 for Model A and $270 for Model B. Required:
State the % (round to nearest %) you obtain in applying the 100% rule when you increase the profit on Model A to $210 dollars and decrease the profit on Model B to $265