Play It Again sells a unique and vast assortment of sheet music. Its customers are high school and college band directors and choir directors who require several copies of the same music, including music written for a variety of instruments. To buy inventory for resale, the business seeks out wholesalers with large inventories. Since cash flow is always an important concern, the owner keeps a watchful eye on how quickly various genres of sheet music sell. To help him in this assessment, which ratio would be an important part of this company's financial analysis? cost of goods sold turnover ratio asset turnover ratio sales turnover ratio inventory turnover ratio