need help with this question

This Question: 2 pts 39 of 50 (32 com Which of the following is the correct formula for measuring a cost variance? O A. Cost Variance = (Actual Cost - Standard Cost) - Actual Quantity B. Cost Variance = (Actual Cost + Standard Cost) / Actual Quantity O C. Cost Variance = (Actual Cost - Standard Cost) x Actual Quantity O D. Cost Variance = (Actual Cost + Standard Cost) + Actual Quantity