Current Attempt in Progress On May 1, Ivanhoe Company had beginning inventory consisting of 258 units with a unit cost of $6. During May, the company purchased inventory as follows: 516 units at $6 774 units at $7 The company sold 1290 units during the month for $10 per unit. Ivanhoe uses the average-cost method. Assuming that a periodic inventory system is used, the cost of Ivanhoe's inventory at May 31 is (Round average cost per unit to 2 decimal places, e.g. 12.52.) {:[$1806],[$1677],[$10062],[$1548]:}