Required information [The following information applies to the questions displayed below.] Frigid Supplies reported beginning inventory of 200 units, for a total cost of $2,000. The company had the following transactions during the month: January 3 Sold 20 units on account at a selling price of $15 per unit. January 6 Bought 30 units on account at a cost of $10 per unit. January 16 Sold 30 units on account at a selling price of $15 per unit. January 19 Sold 20 units on account at a selling price of $20 per unit. January 26 Bought 10 units on account at a cost of $10 per unit. January 31 Counted inventory and determined that 160 units were on hand. Prepare the journal entries that would be recorded using a perpetual inventory system, including any "book-to-physical" adjustment that might be needed. Tip: Adjust for shrinkage by decreasing Inventory and increasing Cost of Goods Sold. (If no entry is required for a transaction/event, select "No Journal Entry Required" in the first account field.) Journal entry worksheet Note: Enter debits before credits. Journal entry worksheet Note: Enter debits before credits. Journal entry worksheet 456789 Record the cost of goods sold under the perpetual inventory system. Note: Enter debits before credits. Journal entry worksheet 456 Record the purchase of inventory on account. Note: Enter debits before credits. Journal entry worksheet