please help me confirm the following selections

note: $220 is inaccurate

I did $2400*0.15= $360

Colby's adjusted gross income is $50,000 and he just gave $1,000 to his favorite non-profit. His total itemized deduction is $10,000 and his standard deduction is $12,200. He's in the 22% marginal tax bracket. How much did his charitable donation lower his tax liability by? $220 $500 O $1,000 O $0 Rachel is in the 22% Federal marginal tax bracket and her average tax rate is 15%, what is the tax savings if she paid $2,400 in student loan interest during 2019? O $2,400 $0 O $528 $360