n B1 B2 0 -$3,000 -$12,000 4,200 1 1.350 2 1,800 1,500 6,225 6,330 3 Problem 1 10 pts - - Calculate the IRRs of these two projects (use Excel) - Plot their PW(i) (identify values at i = 0, i = 0o and their IRRs) Find the incremental cash flow between the two and perform the incremental IRR Analysis at MARR = 10% - Calculate and show their AIRR in the chart Identify what project to select and in which order of preference for MARR values ranging from 0 to co