Q3. Serene received a 90-day promissory note on 22 February 2020 with a simple interest rate of 5% per annum. On 13 April 2020, she discounts the note at 4%. The proceeds she receives was RM 81,502.40. Find (a) the maturity date of the note, (3 marks) (CLO2:PLO2:03)(CLO2:PLO2:C3) (b) the maturity value of the note, (3 marks) (CLO2:PLO2C3)(CLO2:PLO2C3) (c) the face value of the note, (3 marks) (CLO2:PLO2:C3)(CLO2:PLO2C3)