Cholla Company's standard fixed overhead rate is based on budgeted fixed manufacturing overheed of $9,000 and budgeted production of 20,000 units. Actual results for the month of October reveal that Cholla produced 18,000 units and spent $8,300 on flxed manufacturing overhead costs. Calculate Cholla's flxed overhead rate and the fixed overhead volume varlance. Round "Fixed Overhead Rate" to 2 decimal places. Indicate the effect of each variance by selecting F for favorable, "U" for unfavorable.) per Unit Fixed Overhead Rate Fixed Overhead Volume Variance