18) The Smith family put its saved 700000 HUF in an annual time savings account in Bank _ Awith compound interest. The money eams them interest at 6% compounded annually for two years. The annual interest rate in this bank was 6%. a) What was the maximum amount that could be taken out after two years if the interest rate has not changed during the two years? ( 3 points) The Green family also put its saved 800000 HUF in an annual time savings account in Bank _ A with compound interest for also two years. b) At what percent was the interest rate in bank . B during the first year if the bank. increased this by 3 percent in the second year and at the end of the second year the Green family was able to take out 907200 HUF? (10 points)