Frederic maintains a materials standard of 1 pound per unit of output. Each pound has a standard price of $26 per pound. During July, Frederic paid $137,000 for 4970 pounds, which it used to produce 4750 units. What is the direct materials price variance? A) $13,500 unfavorable $7780 unfavorable B) $20,380 unfavorable D) $6880 favorable