A Moving to the next question prevents changes Question 34 The following labor standards have been established for a particular product: Standard labor hours per unit of output........ ........0.3 hours Standard labor rate.......... $15.50 per hour The following data pertain to operations concerning the product for the last month: Actual hours worked........ 3,800 hours Actual total labor cost....... $59,470 Actual output.......... 12,800 units How much is labor efficiency variance for the month? A. $50F B. $1,190F C. $620F D. $620 U