The Weedwacker Company manufactures two type of lawn trimmers: an elecmodel and a gas model. The company has contracted to supply a national discount retail chain with a total o 30,000 electric trimmers and 15,000 gas trimmers. However, Weedwacker's production capabiity is limited in three departments: production, assembly and . The following table summarizes the hours of processing time available and the processing time required by each department for both types of trimmers. The company makes its ecectric trimmer in-housefor $55 and it's gas trimmer for $85. Alternatively, it can buy electric and gas trimmers from another $67 an $95 respectively. How many gas and electric trimmers should Weedwacker make and how many should it but from it's competitorsin order to fulfill its contract in the least costly manner? a. formulate an LP model for this problem. b. Create a spreadsheet model for this problem and solve it using Solver. c. What is the optimal solution?