mr. Daniel invested an amount of money 'C' at a compound interest rate payable quarterly for a period of 6 years. His investment amounted to $504800 at the end of the second quarter and 562432 at the end of the 3 quarter. Find
a) The rate of interest
b) The amount invested
c) The annual interest rate
d) The interest earned in the 12 quarter only and the total interest earned by Mr. Daniel after 6 years
please help me ASAP due in 2 hours ​