In the Context of Managing Cash in an Organization,which of the Following

In the context of managing cash in an organization,which of the following is true?

A) Business organizations make money from idle cash.
B) Corporate checking accounts typically earn interest.
C) Money managers try to keep as much cash in their hands as possible.
D) To manage a firm's cash,companies try to speed up cash collections from customers.
E) Managers measure cash flow as the amount of cash the firm spends in a period of one year.