Question 6: please show work as to why the answer is -$2,800

\begin{tabular}{|l|r|} \hlineP & $0.04 \\ \hline units & 100,000 \\ \hlineT & 1 \\ \hlineX & $1.2200 \\ \hlineS(1) & $1.2000 \\ \hlineS(0) & $1.1520 \\ \hline% change & 4% \\ \hline a. & $2,800 \\ \hline \end{tabular} \begin{tabular}{|l|r|} \hlineP & $0.04 \\ \hline units & 100,000 \\ \hlineT & 1 \\ \hlineX & $1.2200 \\ \hlineS(1) & $1.2000 \\ \hlineS(0) & $1.1520 \\ \hline% change & 4% \\ \hline a. & $2,800 \\ \hline \end{tabular}