How do I Figure out g and h? Please help

\begin{tabular}{|c|c|c|c|c|c|c|c|} \hline \begin{tabular}{l} (a) \\ Description of property \end{tabular} & (b) & \begin{tabular}{c} (c) \\ Date sold or \end{tabular} & \begin{tabular}{l} (d) \\ Proceeds (sales \end{tabular} & \begin{tabular}{c} (e) \\ Cost or other \\ basis. See the \end{tabular} & \begin{tabular}{r} Adjustme \\ gain or los \\ an amount \\ enter a cod \\ See th \\ instr \end{tabular} & \begin{tabular}{l} t, if any, to \\ If you enter \\ column (g), \\ in column (f). \\ separate \\ ctions. \end{tabular} & \begin{tabular}{l} (h) \\ Gain or (loss). \\ Subtract column \\ (e) from column \end{tabular} \\ \hline \begin{tabular}{c} (Example: 100 sh. XYZ \\ Co.) \end{tabular} & (Mo., day, yr.) & \begin{tabular}{l} disposed of \\ (Mo., day, yr.) \end{tabular} & \begin{tabular}{c} price) (see \\ instructions) \end{tabular} & \begin{tabular}{c} see Column (e) \\ in the separate \\ instructions \end{tabular} & \begin{tabular}{c} (f) \\ Code(s) \\ from \\ instructions \end{tabular} & \begin{tabular}{c} (g) \\ Amount of \\ adjustment \end{tabular} & \begin{tabular}{l} the result with \\ column (g) \end{tabular} \\ \hline Sale of primary residence & 10/01/12 & 12/30/22 & 561,000 & 292,000 & & x & x \\ \hline & & & & & & & \\ \hline & & & & & & & \\ \hline \end{tabular}