1-SENSITIVITY ANALYSIS Part A (25 points) During the winter, WeeMow Lawn Service contracts with customers for cutting lawns starting in the spring. WeeMow provides service to residential and commercial customers. The service has identified 50 possible residential customers and 15 potential commercial customers it has contacted. WeeMow services a customer once every 2 weeks during the growing season. A residential lawn on average takes 2 hours to cut, and a commercial property requires 4 hours to cut; the services available work time is 8 hours, 6 days per week (total of 48 hours in a given week, 96 hours for two-week period). The profit for a residential lawn is S20, and the profit for a commercial property is $60. The service has established a weekly budget of $350 (5700 for the two-week period) for management, gas, and other materials, plus equipment repair. A residential lawn averages $12 in management, gas, material, and repair costs, and a commercial property averages $20 in costs. WeeMow formulated an LP to know how many residential and commercial jobs it should contract for from among its potential customers in order to maximize profits: x1 = no. of residential lawns in a 2-week period x2 = no. of commercial properties in a 2-week period Maximize 2 - 20x1 +60x2 Subject to 2x1 + 4x2