Sylvia smith takes out a $85,000 mortgage. she paid 2.2% of the loan amount in closing costs and $7,200.35 in total interest the first year of the loan.

what are sylvia's closing costs? $
if the apr is (interest for one year plus closing costs) ÷ (amount financed), what was the apr for that year? %
if the apr is (interest only for one year) ÷ (amount financed), what was the apr for that year?