A design-build-operate engineering company burrowed $6 million for 3 years so that in can purchase new equipment. The interest is compounded and the total amount owed will be paid in a single lump sum amount at the end of the 3-year period. The interest at the end of the first year will be $900,000.
a) What is the interest rate on the loan?
b) How much interest will be charged at the end of the second year?