Marie Curie borrowed $320,000 from the bank at 5.321% p.a. compounded twice a year to purchase an apartment. The terms of the loan stipulated that repayments be made monthly over 25 years with the first repayment in exactly one month. a. What is the principal portion of the 27" repayment? [6] b. When does the principal portion of the payment first drop to below half the payment? [4] c. Who is/was Marie Curie? [0] Marie Curie borrowed $320,000 from the bank at 5.321% p.a. compounded twice a year to purchase an apartment. The terms of the loan stipulated that repayments be made monthly over 25 years with the first repayment in exactly one month. a. What is the principal portion of the 27" repayment? [6] b. When does the principal portion of the payment first drop to below half the payment? [4] c. Who is/was Marie Curie? [0]