EThe weedwacker Company manufactures two types of lawn trimmers: an electric model and a gas model. The company has contracted to supply a national discount retail chain with a total of BUDDD electric trimmers and 150m gas trimmers. However, Weedwacicer's production capability is limited in three departments: production. assembly. and packaging. The following table summarizes the hours of processing time available and the processing time required by each department , for both types of trimmers: W _ _ Production o.2o o.4o 1o.ooo Assembly use oso 15,ooo Packaging o.1o am sooo The company makes its electric trimmer in house for $55 and its gas trimmer for $35 . Alternatively. it can truy electric and gas trimmers from another source for $6? and $95. respectively. How many gas and electric trimmers should Weedwacirer make, and how many should it buy from its competitor in order to fulll its contract in the least costly manner? a. Formulate an LP model for this problem. tr. Create a spreadsheet model for this problem. and solve it using sotver. c. What is the optimal solution