Comfy Inc. uses five yards of wool in each blanket it produces. Comfys production budget next year is 30,000 blankets. The anticipated wool inventory at January 1 is 40,000 yards, but the company desires to reduce the inventory to 20,000 yards by the end of the year. Each yard of wool costs $10.

How many yards of wool should Comfy purchase?

a. 190,000 yards

b. 130,000 yards

c. 170,000 yards

d. 1,300,000 yards