Calculate payback period, profitability index, internal rate of return and annual rate of return for the following data

Sencitivity nalveis with Year 5 cellino nrice of Nelta 20 is Sensitivity Analysis with cost of capital as 12% After tax salvage value Book value of Matrix after 5 years After tax salvage value 5000 Incremental terminal salvage cashflow 58000 COSTISAMINGS IN XIAR 1 Labour (10%$303550)5250 Electricity (10%$5.62524750)4725 NNNUAL CASITOLW YEAR 0 1 35000 Initial Cashflow Savings in labour Savings in electricity Maintenance cost of Matrix 750 Maintenance of Delta A390 Annual interest cost(6%+140000) Before tax increase in profit After tax increase in profit Incremental depreciation tax shield =700030% Incremental Operating Cashflow Terminal incremental salvage cashflow Payment of principal of loan taken Total Terminal Cashflow Net Cashflow Discount Factor 12%N=5 \begin{tabular}{|ccccccrr} 54600 & 6702.5 & 6230 & 8557.5 & 5285 & 77187.5 & \\ & 0.8029 & 0.7972 & 0.7115 & 0.0355 & 0.5074 & SUM \\ \hline 54600 & 5984.662 & 4966.556 & 6091.229 & 3358618 & 43796.188 & 31204.877 \end{tabular}