Silverstone's production budget for March called for making 39,400 units of a single product. The firm's production standards allow one-quarter of a machine hour per unit produced. The fixed overhead budget for March was $33,884. Silverstone uses an absorption costing system. Actual activity and costs for March were: Units produced 35,164 Fixed overhead costs incurred $ 37,600 a. Calculate the predetermined fixed overhead application rate that would be used in March. (Round your answer to 2 decimal places.) b. Calculate the number of machine hours that would be allowed for actual March production. (Round your answers to a whole number.) c. Calculate the fixed overhead applied to work in process during March. (Round your intermediate calculations to 2 decimal places and round your answers to a whole number.) d. Calculate the over- or underapplied fixed overhead for March. (Round your intermediate calculations to 2 decimal places and round your answers to a whole number.) e. Calculate the fixed overhead budget and volume variances for March. (Round your intermediate calculations to 2 decimal places. Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable.)