3. Erica won a cash prize of $1000 in a holiday raffle. She wants to invest her money in stock market, crypto currency, NFT, or government bonds. Each dollar invested in stock market, crypto currency, NFT, government bonds yield 7, 12, 20, 9 cents, respectively. Erica has decided to use following rules to reduce the risk of her investments: a The amount invested in crypto currency and NFT (total) cannot exceed the amount invested in stock market and government bonds (total). The amount invested in crypto currency or NFT (individually) should not exceed 25% of the total invested amount. No more than 40% should be invested in the stock market. b. c. d. e. What are the variables and what is the objective function for this problem? What are the constraints? Solve the problem using Excel Solver or LP Solve. How much should be invested in each investment option? What is the return on investment? If the amount available is $2500, would the answers in (c) change? Why or why not?