The following labor standards have been established for a particular product: Standard labor-hours per unit of output 8 hours Standard labor rate $15.50 per hour The following data pertain to operations concerning the product for the last month: Actual hours worked 10,100 hours Actual total labor cost $154,025 Actual output 1,200 units What is the labor rate variance for the month? $2,525 F $300 U $2,525 U $300 F