Please help, Income tax is the subject. Will give a thumbs up for your help. Appreciate it! :)

For 2021 , Casey, who is single, has itemized deductions of $15,000. The standard deduction for the single filing status is $12,550. If she receives a reimbursement in 2022 of $3,000 from her medical insurance company for expenses that she deducted in 2021 , how much of the $3,000 is included in gross income for 2022 ? A