Jayden is a single, $40-$year$-$old engineer who has earnings of $$157,000$ from his own business. He is not covered by an employer plan. In $2023,$ Jayden can make which of the following IRA contributions?

a$.$ $$6,500$ to a Roth IRA only

b$.$ $$6,500$ to a traditional IRA, a Roth IRA, or a nondeductible IRA

c$.$ $$7,500$ to a Roth IRA, a traditional IRA, or a nondeductible IRA

d$.$ $$6,500$ to a traditional IRA or a nondeductible IRA