A company uses a perpetual system to record inventory transactions. The company purchases inventory on account on January 14, 2018, for $90,000 and then sells this inventory on account on January 17, 2018, for $120,000. Record the transactions for the purchase and sale of the inventory. January 9th Debit what for $90,000 Credit what for $90,000 January 17th Debit what for $120,000 Credit what for $120,000 January 17th Debit what for $90,000 Credit what for $90,000