spreadsheet and perform the required analysis to answer the questions below. Open spreadsheet Plan A: $ milion Plan B: $ million Calculate each project's IRR. Round your answer to two decimal places. Plan A : % Plan B: 1/ b. By graphing the NPV profiles for Plan A and Plan B, approximate the crossover rate to the nearest percent. o c. Calculate the crossover rate where the two projects' NPVs are equal. Round your answer to two decimal places. 1/