Answer:
b. projects budget data for various levels of activity.
Explanation:
Flexible budget
It is the budget which flexes or adjust with the change in the activity or the volume .
It is the more sophisticated form of budget , and is a static budget .
i.e.
The budget does not change .
As the costs vary with the activity and volume .
The flexible budget will have a variable rate pr unit activity .
the flexible budget is more useful during measuring the manager's efficiency .