In $2022,$ LeSean $($age $55$ and single$)$ has earned income of $$4,800.$ He also has $$34,600$ of unearned $($capital gain$)$

income.

a$.$ If he does not participate in an employer$-$sponsored plan, what is the maximum deductible IRA contribution LeSean can make in

$2022?$

Maximum deductible IRA contribution b$.$ If he does participate in an employer$-$sponsored plan, what is the maximum deductible IRA contribution Lesean can make in $2022?$ c$.$ If he does not participate in an employer$-$sponsor plan $,$ what is the maximum deductible IRA contribution Lesean can make in $2022$ if he has earned income of $13,400?$ d$.$