A loan of $31,400.00 at 4.00% compounded semi-annually is to be repaid with payments at the end of every 6 months. The loan was settled in 3 years. a. Calculate the size of the periodic payment. a $4,851.68 b $5,989.92 c $5,605.71 d $6,661.77 b. Calculate the total interest paid. a $2,234.26 b $33,634.26 c -$3,371.45 d $7,839.97