Sydney Retailing (buyer) and Troy Wholesalers (seller) enter into the following transactions. May 11 Sydney accepts delivery of $36,000 of merchandise it purchases for resale from Troy: invoice dated May 11, terms 3/10, n/90, FOB shipping point. The goods cost Troy $24,120. Sydney pays $680 cash to Express Shipping for delivery charges on the merchandise. May 12 Sydney returns $2,700 of the $36,000 of goods to Troy, who receives them the same day and restores them to its inventory. The returned goods had cost Troy $1,809. May 20 Sydney pays Troy for the amount owed. Troy receives the cash immediately. Assume that both buyer and seller use a periodic inventory system and the gross method. Prepare journal entries that Sydney Retailing