Question 1 (CL02) : a) The list price of an item was RM2,500. After deduction with a trade discount of 30%, 20% and x%, the price becomes RM1,260. What is the value of x ? b) James bought goods with a net price of RM4,200. The invoice was dated 20th June 2023 with a cash discount term of 8/10,5/20 and n/30. If the invoice was paid on 4th July 2023, determine the amount that was paid by James