(c) A deposit account pays 4% per annum with continuous compounding, but interest is actually paid quarterly. How much interest will be paid each quarter on a $20,000 deposit? [2 marks] (d) An investor receives $2,400 in one year in return for an investment of $2,100 now. Calculate the percentage return per annum with (0) annual compounding (ii) semiannual compounding monthly compounding continuous compounding [4 marks]