In $2024,$ a $42-$year$-$old single taxpayer with AGI of $$165,000$ a year can make which of the following IRA contributions if they are not covered by a plan at work?

a$.$ $$7,000$ to either a traditional IRA or a nondeductible IRA

b$.$ $$7,000$ to a Roth IRA only

c$.$ $$8,500$ to either a traditional IRA, a Roth IRA, or a nondeductible IRA

d$.$ $$7,000$ to either a traditional IRA, a Roth IRA, or a nondeductible IRA