Required information [ The following information applies to the questions displayed below. ] On July 15, 2021, the Nixon Car Company purchased 1,600 tires from the Harwell Company for $40 each. The terms of the sale were 2/10, n/30. Nixon uses a perpetual inventory system and the gross method of accounting for purchase discounts. 3. If Nixon instead uses a periodic inventory system, explain any changes to thejournal entries created in requirements 1 and 2. The July 15 entry would include a debit to the acwuntinsteadono account instead of to , and the July 23 entry would include a credit to the