VaughnCompany's inventory records show the following data: Inventory, January 1 Purchases: June 18 November 8 Units Unit Cost 9700 $9.00 9500 7.80 6300 7.05 A physical inventory on December 31 shows 4100 units on hand. Vaughn sells the units for $13 each. The company has an effective tax rate of 22%. Vaughn uses the periodic inventory method. Under the FIFO method, the December 31 inventory is valued at $36900 $28905. $53300, $31980