Required information [The following information applies to the questions displayed below.] Reggie is a self-employed taxpayer who turns 59 years old at the end of the year (2023). In 2023, his net Schedule C income was $280,000. This was his only source of income. This year, Reggie is considering setting up a retirement plan. What is the maximum amount he may contribute to the self-employed plan in each of the following situations? Note: Round your intermediate calculations to the nearest whole dollar amount. a. He sets up a SEP IRA