Rozi, owner of women accessories shop, buys a new branded handbag worth RM3,250. She receives an invoice dated 12 April with trade discounts of 15/10/5 and is offered cash discount terms 3/10, 1/20, n/60. a. Calculate the single discount equivalent to the trade discount given. (2 Marks) b. When is the last day to receive the trade discount? (1 Mark) C. Determine the total amount due if Rozi pays the invoice on 1st May. (2 Marks) d. If Rozi pays only RM1,000 on 22 April, how much is the balance due before the credit term ends