can someone help me with this question? thank you

The following information applies to the questions displayed below] Sigfusson Supples reported beginning Inventory of 125 units, for a total cost of $2,500. The company had the following transactions during the month Jan. 6 Sold 20 shovels on account at a selling price of $30 per unit. 9 Bought 10 shovels on account at a selling price of $20 per unit. 11 Sold 10 shovels on account at a cost of $35 per unit. 19 Sold 20 shovels on account at a selling price of $40 per unit. 27 Bought 10 shovels on account at a cost of $20 per unit. 31 Counted Inventory and determined that 85 units were on hand