You are tracking a project in Microsoft Office Project Standard 2007. You are updating a task that was originally estimated at 40 hours of work. The resource assigned to the task has worked 25 hours, and estimates she will require an additional 30 hours to complete the task. You update the actual work and remaining work. You need to configure the task so that it will update the assignment units when you enter the new data. Which task type should you use?

A.
fixed units

B.
fixed duration

C.
fixed work, effort-driven

D.
fixed work, non effort-driven