Sunland Company manufactures deep-sea fishing rods, which it distributes internationally through a chain of wholesalers. The following data are taken from the budget prepared at the beginning of the year by Sunland's controller. The company applies overhead on the basis of machine hours. Annual Budget May Budget Variable manufacturing overhead $1,540,000 $140,000 Fixed manufacturing overhead $1,200,000 $100,000 Direct labor hours 48,000 4,000 Machine hours 220,000 20,000 During the month of May, Sunland used 4,200 direct labor hours and 21,600 machine hours. The flexible budget for the month allowed 4,000 direct labor hours and 21,000 machine hours. Actual fixed manufacturing overhead incurred was $101,200; variable manufacturing overhead incurred was $150,200. (a) Calculate the variable overhead spending and efficiency variances for May. (Round per unit value to 2 decimal places, e.g. 52.75 and final answers to O decimal places, e.g. 5,725. If variance is zero, select "Not Applicable" and enter O for the amounts.) $ Variable overhead spending variance Favorable $ Unfavorable Variable overhead efficiency variance