Stefan is $27$ years old and has a total AGI of $$110,000$ in $2022.$ He contracts an illness in $2022$ and incurs an unreimbursed medical bill that totals $$7,500.$ He withdraws $$7,500$ from his traditional IRA to pay the bill. Which of the following is true? a$.$ He is not subject to penalties on the IRA withdrawal because he was disabled by an illness for two weeks. b$.$ He is subject to penalties on the IRA withdrawal because the withdrawal did not cover a portion of medical bills that exceeded $7\mathrm{.}5$ percent of his AGI. c$.$ He is not subject to penalties on the IRA withdrawal because it was for medical expenses.d$.$ He is subject to penalties on the IRA withdrawal because a person may not take a withdrawal from a traditional IRA until they are $59(1)/(2)$ years old.P