2. Optimization: Use Excel Solver add-in to find the optimal solution for this problem. 3. Goal seeking: Given that the company wants to achieve $400,000 net income, what should be the input values? Create an answer worksheet in which you list the answers to the three problems above. Document your analysis in a business memo addressed to Ellen Goldstain, VP of Marketing at LFC. Note that you need to submit both this Excel file with Excel Solver setup and the memo