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 row 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 row 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? is ? Aindicate the effect of each variance by selecting for favorable, "U" for unfavorable, and "Hone" for no effect (lo, zero variance), Input all amounts as positive values.) Materials prie variance Materials quently variance