(A) May 3 - Cash sale (one-time customer) invoice - $1,000 to repairs plus $50 GST (B) May 9-Received an invoice from Alberta Telephone for $100 plus $5 GST for telephone expense. The invoice was paid with cash right away. (C) May 12 - Cash receipt from Jasper Gallery $500 payment on account. (D) May 14 - Bought Power Marble Tools from West Carbide Tools-cost $2,000 plus $100 GST. West Carbide Tools will be paid next month.