Need some help witht these questhions, i have goten them wrong, and really need to get them right, and would love an explination, thanks

The following labor standards have been established for a particular product Standard labor-hours per unit of output Standard labor rate 9.3 hours $16.90 per hour ed The following data pertain to operations concerning the product for the last month Actual hours worked Actual total labor cost Actual output 9,990 hours $164,340 980 units What is the labor rate variance for the month? Multiple Choice $2.970 F