Cholla Company's standard fixed overhead rate is based on budgeted fixed manufacturing overhead of $30,600 and budgeted production of 20,000 units. Actual results for the month of October reveal that Cholla produced 18,000 units and spent $27,700 on fixed manufacturing overhead costs. Required: Calculate Cholla's fixed overhead rate and the fixed overhead volume variance. Note: Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Round "Fixed Overhead Rate" to 2 decimal places. Fixed Overhead Rate Fixed Overhead Volume Variance per Unit