Mortgage Packages A mortgage company owns the following 20 mortgages. Investors will purchase packages of mortgages worth at least $1 million. 1. Build a model in Excel and use Excel add-in Solver to find out what is the maximum number of such packages that can be created from this set of mortgages? 2. Explain how the model is built and calculated in math formula for the objective & decision & constraint variables. 3. Explain if the solution done by Solve is optimal or not. Mortgage Amount (in $1000s) 1 $900 AWN $860 $830 $780 5 $720 6 $650 $600 $525 9 $500 10 $450 11 $430 12 $360 13 $300 14 $250 15 $240 16 $185 17 $165 18 $164 19 $135 20 $125