Answer:
Direct material price variance= $36 favorable
Step-by-step explanation:
Giving the following information: 
The total standard and actual costs for materials and direct labor for the 100 units of Product AA are as follows: 
Materials: Standard 210 pounds at $3.00 per pound 
Actual: 240 pounds at $2.85 per pound 
Direct material price variance= (standard price - actual price)*actual quantity
Direct material price variance= (3 - 2.85)*240= $36 favorable