Self Check: Perpetual Inventory System Score: 28816 . 3/6 answered Suppose Zena.com sells 1.800 books on account for $17 each. The cost of the books is $20,700, and credit terms are 1/20. n/45 on july 10,2019 to Books. R-us. There were 140 books, with a cost of $1,220, damaged in shipment. Later Zena.com recelved the damaged goods retumed from Boooks-R-US as a sales return on July 15, 2019, On July 24, 2019, 80oks-R-US paid the balance due to Zena.com. A journalize Books-R-Us transactions for july 2019. B) Joumalize Zena.com transactions for July 2019