Nov. 1 dollar store purchases merchandise for $1,600 on terms of 2/5, n/30, fob shipping point, invoice dated november 1. 5 dollar store pays cash for the november 1 purchase. 7 dollar store discovers and returns $100 of defective merchandise purchased on november 1, and paid for on november 5, for a cash refund. 10 dollar store pays $80 cash for transportation costs for the november 1 purchase. 13 dollar store sells merchandise for $1,728 with terms n/30. the cost of the merchandise is $864. 16 merchandise is returned to the dollar store from the november 13 transaction. the returned items are priced at $200 and cost $100; the items were not damaged and were returned to inventory. journalize the above merchandising transactions for the dollar store assuming it uses a perpetual inventory system and the gross method.