Hello! Can someone please help me answer question A to D? Thank youuuu :)

Question 4 Sung owns a business and is keen to make an investment to expand its operations. He would like to take out a loan for $280 000 and the conditions of the loan are as follows: Monthly repayments of $4554.98 for 6 years Interest of 5.35% per annum, compounding monthly . a. By using an appropriate calculator function, calculate the effective interest rate, correct to 2 decimal places. b. Calculate the total amount of interest paid. C. Calculate the amount which can be borrowed for 6 years at a flat rate of 5.35% p.a. that generates the same amount of interest as in part b. d. How much less would Sung have been able to borrow on a flat rate agreement? Formula Sheet Simple interest I= PrT 100 Compound interest A = PR", where R=1+ 100 The annuities formula - reducing balance loans T A = PR" Q(R" - 1) R-1 where R = 1 + 100 The annuities formula - investments A = PR" + Q(R" 1) T where R= 1+ R-1 100 Interest-only loans (& Perpetuities) Pr Payment (or () = 100 Effective Interest Rate Teffective 1+ n 100 x 100%