4. A company called Fancy Tech Wearables, Inc. makes devices to be worn like wristwatches. These devices monitor the wearer's movement, offering encouragement throughout the day for the wearer to get more exercise. The company has annual sales of $100,000,000, and its balance sheet shows the following account balances. How many days of working capital does the company have available? a. 2.2 b. 2.4 c. 0.7 d. 3.18