See Clear Company manufactures clear plastic CD cases. It applies variable overhead based on the number of machine hours used. Information regarding See Clear's overhead for the month of December follows: Standard Standard Quantity Standard Rate Unit Cost Variable manufacturing 0.6 machine hours per $1.10 per machine overhead case hour $ 0.66 During December, See Clear had the following actual results. Number of units produced and sold 102,000 Actual variable overhead cost $ 73,600 Actual machine hours 61,000 Required: Compute See Clear's variable overhead rate variance, v YouTube verhead efficiency variance, and over- or underapplied variable overhead. (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance).) Variable Overhead Rate Variance Variable Overhead Efficiency Variance Variable Overhead Spending Variance