Karl files as a single taxpayer and participates in a qualified retirement plan at work. His modified AGI was $69,600 in Year 1. He contributed $5,500 to his conventional IRA. How much IRA contribution can he deduct in Year 1?

For this question only, use the following IRA phase-out range to calculate any IRA deduction:

Single: b/t $62k and $72k.

MFJ: b/t $99k and $119k.