apply the economic analysis to show how one is better than the other calculate PW,AW,FW&BCR&IRR

\begin{tabular}{|l|l|} \hline & \\ \hline PURCHASING A HEAT PUMP \\ \hline INITIAL COST:- & $20000 \\ \hline ENERGY SAVING:- & $3000/ year for 20 years \\ \hline MAINTANENCE COST:- & $700/ year for 20 years \\ \hline SALVAGE VALUE:- & $3000 at the end of 20y \\ \hline INTEREST RATE \\ \hline PW & 10% \\ \hline FW & \\ \hline FW(check) \\ \hline AW \\ \hline \end{tabular} PURCHASING A SOLAR HEATER \begin{tabular}{|l|l|} \hline INITIAL COST:- & $30000 \\ \hline ENERGY SAVING:- & $5000/ year for 20 years \\ \hline MAINTANENCE COST:- & $1500/ year for 20 years \\ \hline SALVAGE VALUE:- & $5000 at the end of 20 years \\ \hline \end{tabular} \begin{tabular}{l} INTEREST RATE \\ PW \\ FW \\ FW(check) \\ AW \\ \hline \end{tabular} \begin{tabular}{|l} \hline COST(PW) \\ \hline BENEFIT(PW) \\ \hline BCR \end{tabular} IRR IRR \begin{tabular}{|l|l|} \hline & \\ \hline PURCHASING A HEAT PUMP \\ \hline INITIAL COST:- & $20000 \\ \hline ENERGY SAVING:- & $3000/ year for 20 years \\ \hline MAINTANENCE COST:- & $700/ year for 20 years \\ \hline SALVAGE VALUE:- & $3000 at the end of 20y \\ \hline INTEREST RATE \\ \hline PW & 10% \\ \hline FW & \\ \hline FW(check) \\ \hline AW \\ \hline \end{tabular} PURCHASING A SOLAR HEATER \begin{tabular}{|l|l|} \hline INITIAL COST:- & $30000 \\ \hline ENERGY SAVING:- & $5000/ year for 20 years \\ \hline MAINTANENCE COST:- & $1500/ year for 20 years \\ \hline SALVAGE VALUE:- & $5000 at the end of 20 years \\ \hline \end{tabular} \begin{tabular}{l} INTEREST RATE \\ PW \\ FW \\ FW(check) \\ AW \\ \hline \end{tabular} \begin{tabular}{|l} \hline COST(PW) \\ \hline BENEFIT(PW) \\ \hline BCR \end{tabular} IRR IRR