Can someone please help me with solving this and showing the formulas? I am using the formula from the instructor and my numbers are way off. I am missing something.

Question 3 0 out of 0.2 points For the most recent period, production at Sampsoin Pharmaceuticals required 5,200 labor hours at a rate of $13.60 per hour. The standard was 5,000 hours at a cost of $14.00 per hour. Calculate the labor quantity variance. Selected Answer: $720 Favorable $720 Unfavorable $720 Favorable $2,800 Unfavorable $2,800 Favorable Answers