In reviewing activity for July, the controller of Mathis, Inc., collected the following data concerning direct materials. Actual production 103,200 units Direct materials purchased (actual) $ 1,643,200 Standard cost of materials purchased 1,555,000 Standard direct materials costs per unit produced 14.00 Standard price times actual amount of materials used 1,406,950 Required: Compute the direct materials cost variances. (Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select either option.)