Complete the crossword puzzle that follows.

Across:
2.    Electronic linkage that allows different computers to share the same information
3.    Main computer in a networked system
7.    Cost-_____relationship must be favourable
Down:
1.	Managers need____over operations in order to authorize transactions and safeguard assets
3.	Programs that drive a computer
4.	Electronic computer equipment
5.	A_____ible information system accommodates changes as the organization evolves
6.	The opposite of debits