1. Find the future value and the interest earned for each of the following annuities: a) RM6,000 every year for 8 years at 12% compounded annually. b) $800 every month for 2 years 5 months at 5% compounded monthly. c) RM2,450 every 2 months for 1 year 8 months at 6% compounded every two months. d) $90 every day for 150 days at 10% compounded daily.