how do i get total material usage(quantity) variance.

Comprehensive Piedmont Manufacturing produces metal products with the following standard quantity and cost information: Overhead rates were based on normal monthly capacity of 12,000 machine hours. During November, the company produced only 1700 units because of a labor strike, which occurred during union contract negoti. production levels. The following costs were incurred in November: Variable Overheed 546.690 (bated on 8.350 machine hours) a. Determine the following variances for November. Note: Do not use negative signs with your answers. a. Total material price variance $ b. Total material usage (quantity) variance $2,920x u