Tracy company, a manufacturer of air conditioners, sold 100 units to thomas company on november 17, 2013. the units have a list price of $500 each, but thomas was given a 30% trade discount. the terms of the sale were 2/10, n/30. thomas uses a periodic inventory system. required: 1. prepare the journal entries to record the purchase by thomas on november 17 and payment on november 26, 2013, using the gross method of accounting for purchase discounts.