Sundance systems has the following transactions during July.

July 5- Purchases 58 LCD televisions on account from Red River Supplies for $3,400 each, terms 2/10. n/30.

July 8- Returns to Red RIver two televisions that had detective sound.

July 13- Pays the full amount due to Red River.

July 28- Sells remaining 56 televisions purchased on July 5 fpr $3,900 each on account.

Record the transactions of Sundance systems, assuming the company uses a perpetual inventory system.