The answer is C. Please show all the work!

The following information was available from the inventory records of Queen Company for July: Units 30,000 Unit Cost 2.25 Total Cost 67,500 Balance at July 1 Purchases: July 6 July 26 20,000 27,000 2.55 2.60 51,000 70,200 Sales: July 7 (25,000) July 31 (40,000) Balance at July 31 12.000 Assuming that the company uses perpetual inventory system. What should be the inventory reported on Queen's July 31 statement of financial position using the average-cost inventory method (round per unit amounts to two decimal places)? a. 27,000. b. 42,880. c. 29,880. d. 31,500