A farmer plans to plant wheat nd rye. However, he has only $1200 to spend. Each acre of wheat costs $200 to plant and each acre of rye costs $100 to plant. Moreover, the farmer has to get the planting done in 12 days before it's too late. It takes one day to plant an acre of wheat and 2 days to plant an acre of rye. If the profit is $500 per acre of wheat and $300 per acre of rye. How many acres of each should be planted to maximize profits? Answer in English what is the objective? Answer in English what are the decision variables? Answer in English what are the constraints? Problem setup using Excel formulas (objective function, decision variables, and constraints). Solve for the optimal planting plan.