Sale of Merchandising QS 5-9Sale of merchandise: trade discount- perpetual LO3 As a co-op student, you are working as an accounts receivable clerk at Asian Foods. The controller asks you to record a customer payment from Liu and Li Co. The sales invoice is dated October 1, 2017 for $3,000 of tea and tapioca pearls. The payment terms are 4/20, n/60. a. Determine the beginning and end date of the discount period. b. Calculate the discount amount available. c. If today is October 20, record the journal entry. d. If today is October 23, record the journal entry. QS 5-10Sale of merchandise transactions- perpetual LO3 Journalize each of the following transactions assuming a perpetual inventory system. QS 5-11Sale of merchandise: allowance- perpetual LO3 Journalize each of the following transactions assuming a perpetual inventory system. QS 5-12Sale of merchandise: return- perpetual LO3 Prepare journal entries to record each of the following transactions of a merchandising company. Show any supporting calculations. Assume a perpetual inventory system.