please show all work and formulas. thank you in advance

Parker Plastic, Inc., manufactures plastic mats to use with rolling office chairs. Its standard cost information for last year follows Standard QuantityStandard Price (Rate) 12 sq ft. $0.74 per sq. ft. 0.7 hr Standard Unit Cost 7.42 0.77 0.80 $ 8.88 Direct materials (plastic) Direct labor Variable manufacturing overhead (based on $ 10.60 per hr $ 1.10 per hr 0.7 hr direct labor hours) Fixed manufacturing overhead $832,000+ 1,040,000 units) Parker Plastic had the following actual results for the past year Number of units produced and sold Number of square feet of plastic used Cost of plastic purchased and used Number of labor hours worked Direct labor cost Variable overhead cost Fixed overhead cost 1,140,000 13,110,000 $ 9,439,200 793,000 $ 8,088,600 $ 951,600 $ 822,000 Required: Calculate Parker Plastic's fixed overhead spending and volume variances and its over- or underapplied fixed overhead. (Indicate the effect of each variance by selecting "F" for favorable/Overapplied and "U" for unfavorable/underapplied.) Fixed Overhead Spending Variance Fixed Overhead Volume Variance Over- or Underapplied Fixed Overhead