Cholla Company's standard fixed overhead rate is based on budgeted fixed manufacturing overhead of $13,800 and budgeted production of 20,000 units. Actual results for the month of October reveal that Cholla produced 18,000 units and spent $12,600 on fixed manufacturing overhead costs. Calculate Cholla's fixed overhead rate and the fixed overhead volume variance (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (.e., zero variance). Round "Fixed Overhead Rate" to 2 decimal places.) per Unit Fixed Overhead Rate Fixed Overhead Volume Variance