The weighted average inventory method works well with: a. grains like wheat and oats. b. fuels like gasoline and heating oil. c. Both a. and b. above. d. Neither a. nor b. above. a) grains like wheat and oats. b) fuels like gasoline and heating oil. c) both a, and b. above. d) neither a. nor b. above. Given: Beginning inventory at cost $10,000, ending inventory at cost $14,000, net sales $60,000, cost of goods sold $38,000. The inventory turnover at cost to nearest hundredth is: a. 2.71 b. 3.17 c. 5.00 d. 1.58 O a) 2.71 b) 3.17 c) 5.00 d) 1.58