A customer has contacted you to help him alleviate the large amount of time and effort that goes into adding and removing users who require access to a business productivity suite. The suite of applications includes word processing, spreadsheet, presentation, and email. Each time an employee is hired, a technician spends over an hour preparing a computer for the user. Likewise, when an employee leaves the company, a technician spends an hour decommissioning the computer. What aspect of cloud computing will be most beneficial in reducing a technician's time and effort while still giving the technician the ability to create and delete user account?

A. Meter service
B. On-demand
C. Measure service
D. Hybrid cloud