Mr Soh bought fifty shirts at RM88 each on 24 June 2021. He received an invoice with trade discounts 10%, 8% and 5% and cash discount term of 5/5,3/10, n/60 respectively. a. Calculate a single trade discount rate that is equivalent to the trade discount given. (ans:21.34%) b. Find the total payment if the invoice is cleared on 30 June 2021. (ans:RM3,357.21)