Cobb, Inc.'s inventory at May 1 consisted of 200 units at a total cost of $1,250. Cobb uses the periodic inventory method. Purchases for the month were as follows: Date No. of Units Unit Cost Total Cost May 4 20 May 17 80 $5.80 5.50 $116.00 440.00 Cobb sold 10 units on May 14 for $120. What is Cobb's weighted-average cost of goods sold for May