please explain why

Over the past year. Michaely & Co. has realized an increase in its current ratio and a drop in its total asset turnover ratio. However, the company's sales, quick ratio, and fixed asset turnover ratio have remained constant. What explains these changes? O 4. Net income has risen. O b. Inventory levels have increased. O Current liabilities have risen d. The company is holding excessive levels of cash. Oe. Fixed assets have increased