Your Companys cost formula for its wages and salaries is $2,500 per month plus $475 per unit sold. For the month of May, the company planned for activity of 115 units, but the actual level of activity was 120 units. The actual wages and salaries for the month was $56,850. What is the spending variance for wages and salaries in May?

Group of answer choices

a. $2,650 U

b. $2,650 F

c. $275 F

d. $275 U