For the following scenarios, compute the maximum total deductible contribution to a traditional IRA for 2023. \begin{tabular}{|c|c|c|c|} \hline & \multicolumn{3}{|c|}{\begin{tabular}{l} Traditional IRA \\ Contribution \end{tabular}} \\ \hline \begin{tabular}{l} a. Juan, age 41 , earns a salary of $58,000 and is not an active participant in any other \\ qualified plan. His wife, Agnes, generates no earned income. \end{tabular} & $ & 6,000 & x \\ \hline \begin{tabular}{l} b. Abby, age 29 , reports earned income of $45,000, and her husband, Sam, reports \\ earned income of $4,600. They are not active participants in any other qualified plan. \end{tabular} & $ & 10,600 & x \\ \hline \begin{tabular}{l} c. Leo's employer makes a contribution of $3,500 to Leo's simplified employee pension \\ plan. Leo is single, he reports earned income of $70,000, and his AGI is $55,000. \end{tabular} & $ & 6,000 & x \\ \hline \end{tabular}