At the end of 2015, Apple had cash and short-term investments of $41.86 billion, accounts receivable of $35.74 billion, current assets of $89.83 billion, and current liabilities of $80.38 billion. a. What was Apple's current ratio? b. What was Apple's quick ratio? c. What was Apple's cash ratio? d. At the end of 2015, HPQ had a cash ratio of 0.29, a quick ratio of 0.66 and a current ratio of 1.06. What can you say about the asset liquidity of Apple relative to HPQ?