Merryll Inc., is considering three different investments involving depreciable assets with no salvage value. The following data relate to these investments Expected Before- Tax Cash Inflow Expected After- Tax Cash Inflow Initial Cash Outlay Life of Proposal (years) 10 20 10 Investment r Year r Year 40,000 S 240,000 S 60,000$ The income tax rate is 40%. Management requires a minimum return on investment of 12% 37,333 S 72,000 S 89,333 S 28,000 48,000 68,000 Required Rank these proposals using the following selection techniques. Round each answer two decimal paces. (1) Payback period rankings a. Payback period calculation Investment 1 b. Payback period calculation-Investment 2: c. Payback period calculation Investment 3 (2) Unadjusted rate of return rankings: a. Unadjusted rate of return calculation-Investment 1: b. Unadjusted rate of return calculation-Investment 2 c. Unadjusted rate of return cakcuation Investment 3 (3) Profitability index: a. Profitability index calculation-Investment 1 b. Profitability index calculation Investment 2: c. Profitability index cakculation Investment 3 (4) Time-adjusted rate or return rakings a. Unadjusted rate of return calculation Investment 1 b. Unadjusted rate of return calculation-Investment 2 c. Unadjusted rate of return caculation Investment 3