The actual cost of direct materials is 9.00 per pound. the standard cost per pound is 8.75. During the current period, 9600 pounds of direct materials were used in production and 16800 pounds were purchased. The standard quantity of direct materials for actual units produced is 16600 pounds. How much is the direct materials quantity variance?

a. 63000 unfavorable

b. 61250 unfavorable

c. 63000 favorable

d. 61250 favorable