A company produces 1,000 wagons every day. The inputs used to make those wagons are labor, materials, and machine costs. The company pays their employees a total of $1,200 per day, the materials to make each wagon cost $5, and the cost to operate the machines is $500 per day. Based only on the data provided, what is this company's total productivity for one day? Choose the closest answer.

a. 6.700 wagons/$

b. 0.161 wagons/$

c. 0.149 wagons/$

d. 0.587 wagons/$