2.23 Use linear programming, a spreadsheet, and the Solver tool to select from the independent, unequal-life projects in Problem 12.18. 8 The independent project estimates below have been developed by the engineering and finance managers at Golphanen Enterprises. The corporate MARR is 8% per year, and the capital investment limit set by the CFO is $4 million. As a new employee in the Engineering Department, you have been asked to recommend the economically best projects. Use (a) hand solution, and (b) . spreadsheet solution to determine your recommendation