Vitex, Inc. manufactures a popular consumer product and it has provided the following data excerpts from its standard cost system: Inputs Direct materials Direct labor Variable manufacturing overhead Total standard cost per unit (1) Standard Quantity or Hours 2.20 pounds 1.00 hours 1.00 hours (2) Standard Price or Rate $16.40 per pound $15.50 per hour $ 9.10 per hour Standard Cost (1) x (2) $36.08 $ 15.50 $ 9.10 $ 60.68 Direct materials Direct labor Variable manufacturing overhead Total Variances Reported Standard Price Quantity or Cost* or Rate Efficiency $649,440 $ 12,064 F $ 32,800 U $279,000 $ 3,800 U $ 15,500 U $163,800 $ 4,400 F $ u *Applied to Work in Process during the period. The company's manufacturing overhead cost is applied to production on the basis of direct labor-hours. All of the materials purchased during the period were used in production. Work in process inventories are insignificant and can be ignored. 4. How many actual direct labor-hours were worked during the period? 5. What was the actual rate paid per direct labor-hour? (Round your answer to 2 decimal places.) 6. How much actual variable manufacturing overhead cost was incurred during the period