Two of the most vital functions performed in any economy are ______.

A. The beef is lost.
B. Something is not as good as described.
C. The beef is not as good as it is said to be.
D. The food has turned bad.

A. repaid to its original owners as soon as possible
B. raised by the selling of shares in the companies
C. exchanged for part ownership in The Stock Exchange
D. invested in different companies on The Stock Exchange