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Select the best answer for the question. 15. Harris is running a greens business providing organic spinach, kale and lettuce to specialty stores in the area. On October 1, he has 25 units in stock at a cost per unit of $2.25. On October 7, he purchases 25 more for $2.75 per unit. On October 31, he purchases 30 more for $2.85 per unit. He sells nearly all of them, leaving only 5 in inventory. What is his COGS on a weighted average cost basis? O A. $199.25 O B. $196.25 O C. $210.50 O'D. $197.34 highlighted on the review page)