3. Globex Investment Capital Corporation owns six companies that have the following estimated returns (in millions of dollars) if sold in one of the next 3 years: Company 1 2 3 4 5 6 Year Sold (Estimated return, $1,000,000s) 1 2 3 14 18 23 9 11 15 18 23 27 16 21 25 12 16 22 21 23 28 To operating funds, the company must sell at least $24 million worth of assets in year 1, $28 million in year 2, and $32 million in year 3. Globex wants to develop a plan for selling these companies during the next 3 years to maximize return. Formulate an integer programming model for this