unit 3 翻译 (1) On Mar. 2nd, 2010, Tech Trading Co. purchased video discs from Tomas Co. for $10,000; the amount was paid immediately by cash. (2) On Mar. 3rd, 2010, Tech Trading Co. purchased car GPS facilities from Tomas Co. for $120,000 on credit, with purchase term of 2/10, n/30. (3) On Mar. 9th, 2010, Tech Trading Co. purchased $15,000 sand disc from Soft Co., with purchase term of 1/15, n/30. (4. On Mar.10th, Tech Trading Co. returned $2,000 of merchandises back to Soft Co. (5) Tech Trading Co. paid off the invoice to Tomas Co. by cheque on Mar. 15th, 2010. (6) On Mar.17th, Tech Trading Co. paid off the invoice to Soft Co. by bank check. (7) On Mar.18th, Tech Trading Co. sold $4,000 of video discs to EDI College (2/15, n/30), the price on the sales invoice is $6,000. (8) On Mar. 24th EDI College made a payment by bank cheque, record the effect of transaction in the general journal. (9) On Mar.29th, $120 allowance was granted to EDI College because of a few defective discs. Tech Trading Co. sent a bank cheque to EDI College.