Sigfusson Supplies reported beginning inventory of 115 units, for a total cost of $4,025. The company had the following transactions during the month: Jan. 6 Sold 35 shovels on account at a selling price of $45 per unit. 9 Bought 25 shovels on account at a selling price of $35 per unit. 11 Sold 25 shovels on account at a cost of $50 per unit. 19 Sold 35 shovels on account at a selling price of $55 per unit. 27 Bought 25 shovels on account at a cost of $35 per unit. 31 Counted inventory and determined that 45 units were on hand