The standards for product V28 call for 9.1 pounds of a raw material that costs $18.00 per pound. Last month, 3,100 pounds of the raw material were purchased for $55,180. The actual output of the month was 320 units of product V28. A total of 3,100 pounds of the raw material were used to produce this output. The direct materials purchases variance is computed when the materials are purchased. Required: a. What is the materials price variance for the month? b. What is the materials quantity variance for the month? (Indleate the effect of each verlance by selecting "F" for fovorable, "U" for unfovorable, and "None" for no effect (l.e., zero verlance). Input all amounts as positive values.)