Two public infrastructure projects have the economic profiles shown in the spreadsheet $($attached$).$ Use these data to compute for each: $$ A$.$ The Net Present Value $($NPV$)$ at discount rates of BOTH $10$ and $5$ percent $$ B$.$ The Benefit$-$Cost Ratio $($BCR$)$ at discount rates of BOTH $10$ and $5$ percent $$ C$.$ The internal rate of return $($IRR$)$ for each project Operating and Maintenance CostsOperating and Maintenance Costs