20. Andropov Suppliers Limited had $11 million in sales in 2016. Its cost of goods sold was $4.4 million, and its average inventory balance was $2.1 million. a. Calculate the number of days inventory outstanding ratios for Andropov. b. The average number of inventory days in the industry is 73 days. By how much must Andropov reduce its investment in inventory to improve its inventory days to meet the industry? (Hint: Use a 365-day year.)