IP = CP + 1 r=1- (1 - 1)(1 - 2)... (1 - sk(k + 1)] OPB Rk - 1 In(n+1) NP = LP(1 - 1)(1 - 12).. (1-1) Credit given Amount paid 1-d a) Explain the cash discount terms 3/13, n/30. (2 Marks) b) Last year, Sinar Company offered trade discounts of 15% and 12% on all its items. This year the chain discount was changed to 13%, 12% and.5%. Is the amount of discount this year the same as last year? (3 Marks) c) An invoice dated 11 July 2020 for RM2650 inclusive of RM300 transportation charge was paid on 31 July 2020. If the trade discount was 20% and the cash discount terms were 5/10, 4/30 and n/60, find: i) the trade discount offered. (2 Marks) ii) the cash discount if entitled. (2 Marks) iii) the amount paid. (2 Marks) d) On 23 January 2016, a retailer purchased some items at RM4400 and the transportation cost was RM125. He was offered a trade discount of 25% and cash discount terms of 5/10, 2/30, n/60. Calculate the payment if he paid the invoice on 18 February 2016. the invo