A computer plant produces mice, keyboards and flash drives. A mouse has a profit of $7.28/unit, and to produce it takes 0.21 hours of labor and .10 hours of machine time.A keyboard has a profit of$12.95 /unit, and to produce it takes 0.35 hours of labor and .18 hours of machine time. A flash drive has a profit of $2.00/unit, and to produce it takes 0.13 hours of labor and .03 hours of machine time. Each month, a total of 7,200 hours of labor and 2,850 hours of machine time are available. The maximum monthly demand is 12,000 mice, 26,500 keyboards and 14,750 flash drives. How many of each should the company make each month to maximize its profit and what is that maximum profit? Include your spreadsheet with any formulas noted. Also include a list of the constraints you used.