= Current Attempt in Progress Sheridan Company's inventory records show the following data: Units Unit Cost Inventory: January 1 9000 $9.20 Purchases: June 18 9100 8.00 November 8 6900 6.00 A physical inventory on December 31 shows 3500 units on hand. Sheridan sells the units for $11 each. The company has an ettective tax rate of 24%Sheridan uses the periodic inventory method. The weighted average cost per unit is O $7.58 O $7.73 $7,88 $8.18