The cost of education o the students of University is $ 100 per credit hour to the semester, the state government supplements the income of the school and contribute one dollar for each dolar that the students pay. In a typical course if three credits, there are 50 students, the cost of workforce is $4,000 per group, the cost of the materials amount to $ 20 per student group, and the general cost amount to $ 25,000. What is the multifactorial productivity of this course process?

a) -1.0

b) 1.01

c) 1.0

d) .99

e) -1.01