IP = CP + 1 1-1-(1 - r.)(1-2)...(1 - k (k + 1)] OPB Rk - 1 In(n+1) NP = LP(1 - 1)(1-r)... (1) Credit given Amount paid -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