A loan is to be repaid over 30 years, with month-end repayments of 9,000. If the interest rate is 3.3% p.a. compounded monthly. Calculate the principal paid for year 10. Correct your answer to the nearest cent without any units. (Do not use "$" or "," in your answer. e.g. 12345.67)

A loan is to be repaid over 30 years, with month-end repayments of 4,000. If the interest rate is 6.7% p.a. compounded monthly. Calculate the interest paid for year 10. Correct your answer to the nearest cent without any units. (Do not use "$" or "," in your answer. e.g. 12345.67)