Shankar Company uses a perpetual system to record inventory transactions. The company purchases inventory on account on February 2 for $30,000, with terms 2/10,n/30. On February 10 , the company pays on account for the inventory. Record (a) the inventory purchase on account on February 2 and (b) the payment on February 10. (If no entry is required for a particular transaction/event, select "No Journal Entry Required" in the first account field.)