For parts ab, give your answer to the nearest cent. Do not put any spaces or symbols or commas. Example: 67890.23 A company estimates that it will need $300,000 in 9 years to replace an important machine. If it establishes a sinking fund, by making fixed monthly payments into an account paying 6.5% compounded monthly, a) how much should each payment be? A b) How much of the $300,000 that is in the account in the end will be interest? A