Erica Cudahy, a young MBA graduate, has up to $1000 to invest in stocks and loans. Investing in stocks yields a profit of 10 cents per dollar while investing in loans yields a profit of 5 cents per dollar. However, she must invest a minimum of 30% of her total investment in stocks, and she must invest at least $400 in loans. Formulate an LP that can be used to maximize the total profit earned from Erica's investment. Enter the following values: The total profit is The amount invested in stocks is The amount invested in stocks is Type the mathematical model in Question 2 and submit the excel file in Question 3. Type your formulation for question 1 below