asap answer

A mortgage broker is offering a 30-year mortgage with a teaser rate. In the first two years of the mortgage, the borrower makes monthly payments on only a 5 percent APR interest rate. After the second year, the mortgage Interest charged increases to 8 percent APR. What is the effective interest rate in the first two years? What is the effective interest rate after the second year? a. 4.89 percent, 7.72 percent respectively O b. 5.00 percent, 8.00 percent respectively O c. 5.12 percent, 8.30 percent respectively Od 12.59 percent, 12.65 percent respectively