Office Supplies Manufacturing has established direct labor standards of 1.5 hours at $30.25 per hour for a product it makes. During July, the company made 11,300 units of that product. Direct labor used was 12,600 hours, and workers were paid $34.25 per hour Which of the following is true?

a. the labor rate variance was $50,400 favorable.

b. The labor rate variance was $39,325 favorable.

c. The labor rate variance was $39,325 unfavorable.

d.The labor rate variance was $50,400 unfavorable