for C. fixed overhead production volume variance the answer is also not 26730

The (partia) cost sheet for the single product manufactured at Briarcilf Corporation follows: The master budget level of production is 45,330 direct labor-hours, which is also the production volume used to compute the fixed overhead application rate. Other information avallable for operations over the past accounting period include the following: Required: a. What was the variable overhead efficiency variance? b. What was the fixed overhead price variance? c. What was the fixed overhead production volume variance? Note: For all requlrements, Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select elther option. Answer is complete but not entirely correct