a. Formulate a linear programming model for this problem on a spreadsheet. b. Use the spreadsheet to check if (x, X2, X)= (1, 2, 2) is a feasible solution and, if so, what the daily cost would be for this diet. How many units of each nutritional ingredient would this diet provte daily c. Take a few minutes to use a trial-and-ecior appros h with the spreadsheet to develop your best guess for the optimal solution. What is the daily cost for your wareho made montns months quite di solution? amoun d. Use Solver to find an optimal solution. other h e. Express the model in algebraic form. Maureen Laird is the chief financial officer for the Alva Electric Co., a major public utility in the Midwest. The com- pany has scheduled the construction of new hydroelectric plants 5, 10, and 20 years from now to meet the needs of the growing population in the region served by the company. To cover the months expens five m changi lease a every i