jap company produces a chair that requires 5 yards of material per unit. The standard price of one yard of material is $7.00. During this month 8,500 chairs were manufactured, using 40,000 yards at total cost of $288,000. The chair requires 2.50 standard hours per hours per unit at an hourly rate of $13.00 per hour. 8,500 units required 19,000 hours at total cost of $246,050.Calculate the total direct material cost variance.

a. 9,500 Unfavorable

b. 7,400 Favorable

c. &,400 Unfavorable

d. 9,500 Favorable