A dealer received an invoice for the purchase of 200 pocket calculators listed at RM30 each and 20 cash-register machines listed at RM500 each. The invoice was dated 2 August 2010. He was offered trade discounts of 12%, 10%, and cash discount terms of 10/10,5/20, n/30. i) ii) Find the single equivalent discount for the given trade discount. If the dealer paid the invoice in full payment on 13 August 2010, find the amount of the full payment. (2 marks) (3 marks)