The Cartwheel Corporation developed the following standards for the manufacture of its product: - Each unit should be produced using 16 pounds of direct materials purchased at $8 per pound. - Each unit should be produced in 2 hours at a direct labor cost of $15 per hour. Actual production was 120 units and required 1,600 pounds of direct materials at a total cost of $9,600 as well as 230 direct labor hours. If the total direct labor variance was 80 unfavorable, what was the price variance for direct labor? Use a positive number to indicate a favorable variance or a negative number to indicate an unfavorable variance