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Mattress Wholesalers, Inc is constantly trying to reduce inventory in its supply chain Last year, cost of goods sold was $7.46 million and inventory was $1.52 million This year, costs of goods sold is $8.57 million and inventory investment is $1.61 million a) What was its weeks of supply last year? weeks (round your response to two decimal places) b) What is its weeks of supply this year? I weeks (round your response to two decimal places). c) Is Mattress Wholesalers making progress in its inventory reduction effort? Since the number of weeks that cover the supply has Mattress Wholesalers is making its inventory-reduction effort in