At the end of 2015, Apple had cash and short-term investments of $ 41.12 billion, accounts receivable of $ 35.73 billion, current assets of $ 89.35 billion, and current liabilities of $ 80.72 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 0.35, a quick ratio of 0.82 and a current ratio of 1.07. What can you say about the asset liquidity of Apple relative to HPQ?