Groschl Company has had great difficulty in controlling manufacturing overhead costs. At a recent convention, the president heard about a control device for overhead costs known as a flexible budget, and he has hired you to implement this budgeting program in Groschl Company. After some effort, you have developed the following cost formulas for the company's Machining Department. These costs are based on a normal operating range of 10.000 to 20.000 machine-hours per month: During March, the first month after your preparation of the above data, the Machining Department worked 18,000 machine-hours and produced 9.000 units of product. The actual manufacturing overhead costs for March were as follows: Fxed costs had ho budget variances. The department had originally been budigeted to work 20.000 machine-hours during March: 1. Prepare an overtread performance report for the Machining Depariment for the month of March. (Indicate the effect of each varionce by selecting "F" for favorable, "U" for unfavoroble, and "None" for no effect (lie., zero variance). Round "Cost Formula per MH" answers to 2 decimal ploces.)