Required information [The following information applies to the questions displayed below.] Frigid Supplies reported beginning inventory of 395 units, for a total cost of $3,950. The company had the following transactions during the month: Jan. 3 Sold 45 units on account at a selling price of $14 per unit. 6 Bought 50 units on account at a cost of $10 per unit. 16 Sold 50 units on account at a selling price of $14 per unit. 19 Sold 45 units on account at a selling price of $19 per unit 26 Bought 31 units on account at a cost of $10 per unit. 31 Counted inventory and determined that 305 units were on hand