Use Sheet "4" for this assignment. After you have completed the townhome investment model, do a sensitivity analysis by creating a two-input data table. The two input variables are Rent and Resell Value: Rent ($16,000, $18,000..... $30,000) Resell value ($250,000, $280,000 $550,000) Show IRR as a function of these two variables. Then use conditional formatting to highlight the unprofitable combinations..