3. (10 points) The following standards have been established for a raw material used to make product 192: Standard quantity of the material per unit of output. 6 pounds Standard price of the materia!$2.25 per pound Standard hours of labor per unit of output Standard rate of the labor per hour 3 hours $8 per hour The following data pertain to a recent month's operations: Actual material purchased Actual cost of material purchase$31,620 Actual material used in production13,600 pounds Actual output Actual labor used Actual total labor cost 13,600 pounds 2,300 units of product 192 7,100 hours S57,150 Required: a. What is the materials price variance for the month? b. What is the materials quantity variance for the month? c. What is the labor rate variance for the month? d. What is the labor efficiency variance for the month