Obsessiveâcompulsive disorder affects about 2.3% of people at some point in their life. Rates during a given year are about 1.2% and it occurs worldwide. It is unusual for symptoms to begin after the age of thirty-five and half of people develop problems before twenty. Males and females are affected about equally.
Variance At Completion (VAC) per Project. Variance at Completion (VAC) is a project management key performance indicator that shows the difference (in dollars) between the starting project budget (Total Budgeted Cost) and the forecasted project budget when the project is complete (Estimate at Completion or EAC).
What is variance analysis? In accounting, a variance is the difference between an expected or planned amount and an actual amount. For example, a variance can occur for items contained in a department's expense report. Variance analysis attempts to identify and explain the reasons for the difference between a budgeted amount and an actual amount. Variance analysis is usually associated with a manufacturer's product costs.