A sporting goods company, currently its A brand has nearly 2,000 retail outlets, suppose you are the merchandise operations staff of A brand, responsible for the inventory management of your region, now, A brand general manager asked you to analyze the health and reasonableness of the existing 5 billion hanging inventory of A brand, there are several analysis dimensions as follows, which 3 you will give priority to, please rank them in order of priority and explain the simple reason. 1. From inventory to sales ratios. 2. From the degree of product newness. 3. From Q-season corresponding sell-out. 4. From product best sellers, flat sellers and lag sellers. 5. Combined with industry standard comparison. 6. Inventory turnover days