blem FE [Points: 1/41: A smartphone loan of $1,200 is subjected to a payment plan of equal amounts every four months, starting a year from now, whereas the interest rate is 9% annually, but paid compounded trimestral (every four months). Based on both continuous and semi-annual compounding interest rates, calculate (a) the effective interest rate; (b) the total interest paid; (c) the amount of each semi-annual payment. Problem FEX-03 [Points: 1/4)