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).
For example, a company has an unfavorable variance in its cost of goods sold of $40,000. A detailed cost variance analysis reveals that the company sold several hundred more units than it expected, and the cost of those additional units comprised $35,000 of the variance. more refined approach is to split this difference into two elements: 1  Price variance. 2  That portion of the variance caused by a difference between the actual and expected price of the goods or services acquired. 3  Volume variance. 4  That portion of the variance caused by any change in the volume of goods or services ordered.