On January 1, 2021, the general ledger of Big Blast Fireworks includes the following account balances: Accounts Cash Accounts Receivable Allowance for Uncollectible Accounts Inventory Land Accounts Payable Notes Payable (6%, due in 3 years) Common Stock Retained Earnings Totals Debit $ 24,500 Credit 43,000 $ 2,900 43,000 81,100 28,700 43,000 69,000 48,000 $191,600 $191,600 The $43,000 beginning balance of inventory consists of 430 units, each costing $100. During January 2021, Big Blast Fireworks had the following inventory transactions: January 3 Purchase 1,150 units for $121,900 on account ($106 each). January 8 Purchase 1,250 units for $138,750 on account ($111 each). January 12 Purchase 1,350 units for $156,600 on account ($116 each). January 15 Return 165 of the units purchased on January 12 because of defects. January 19 Sell 3,900 units on account for $624,000. The cost of the units sold is determined using a FIFO perpetual inventory system. January 22 Receive $573,000 from customers on accounts receivable. January 24 Pay $380,000 to inventory suppliers on accounts payable. January 27 Write off accounts receivable as uncollectible, $2,200. January 31 Pay cash for salaries during January, $132,000. The following information is available on January 31, 2021.