Concord Ltd. and Riverbed Ltd. incurred the following merchandise transactions in June.

June	10		Concord sold $6,400 of merchandise to Riverbed, terms 1/10, n/30, FOB shipping point. The merchandise cost Duvall $3,840 when it was originally purchased.
	11		Freight costs of $390 were paid by the appropriate company.
	12		Concord received damaged goods returned by Riverbed for credit. The goods were originally sold for $300; the cost of the returned merchandise was $180. The merchandise was not returned to inventory.
	19		Concord received full payment from Riverbed.

(2) Periodic Inventory System Date Account Titles and Explanation Debit Credit June 10 || Accounts Receivable 6400 Sales 6400 11 | No Entry No Entry 0 12 | Sales Returns and Allowances 300 Accounts Receivable 300 X= 19 || Cash 6039 Sales Discounts 61 Accounts Receivable 6100 (1) Perpetual Inventory System Date Account Titles and Explanation Debit Credit June 10 Cost of Goods Sold 6400 X inventory 6400 11 || Freight Out 390 Cash 390 x > 12 Inventory DOGONO HODNOJONI 300 X Accounts Payable 300 X 19 Sales Discounts 61 Cash 6039 X Accounts Receivable 6100