Journalize the following transactions for Armour Inc. using both the periodic inventory system and the perpetual inventory system, presented in a side-by-side format shown at the end of this exercise.

Oct.7 Sold merchandise on credit to Rondo Distributors, terms n/30, FOB destination, $1,200; the cost of the merchandise was $720.

Oct. 8 Purchased merchandise, $10,000, terms FOB shipping point, 2/15, n/30, with prepaid freight charges of $525 added to the invoice.