Solve using given information

Green Company's supplies cost is expected to be $12.50 per unit produced, and the company's planning budget estimated supplies cost of $6,250. The activity variance for supplies cost was $625 U, and the spending variance for supplies cost is $1,875F. Which of the following is the best approximation of the actual number of units produced? 450 Units 500 Units K 550 Units 350 Units