During the school year a position should be no longer than 15-20 hours a week. The time commitment should reflect how substantial the position/internship project is -- you should be able to easily fill up the internsâ hours with projects related to the position description.(See Chart Above).uring the school year a position should be no longer than 15-20 hours a week. The time commitment should reflect how substantial the position/internship project is -- you should be able to easily fill up the internsâ hours with projects related to the position description. (See Chart Above).
There are three primary causes of budget variance: errors, changing business conditions and unmet expectations. Errors by the budget creators can occur when the budget is being compiled. There are a number of reasons for this, including faulty math, using the wrong assumptions and relying on stale or bad data. Changing business conditions, including changes in the overall economy, can cause budget variances.
The most simple form of cost variance analysis is to subtract the budgeted or standard cost from the actual incurred cost, and reporting on the reasons for the difference. A 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.