Which of the Following Is True Regarding Cash Management

Which of the following is true regarding cash management?

A) The basic objective in cash management is to keep the investment in cash as low as possible while still operating efficiently and effectively.
B) A cost of holding cash is the liquidity it gives the firm.
C) A cost of holding cash is the interest income earned on the outstanding cash balance.
D) A firm should decrease its cash holdings as long as the NPV of doing so is negative.
E) Effective cash management results in minimization of the total interest earnings involved with holding cash.