Broha Company manufactured 1,500 units of its only product during 2016. The inputs for this production are as follows: 450 pounds of Material A at a cost of $1.50 per pound
300 pounds of Material H at a cost of $2.75 per pound
300 direct labor hours at $20 per hour

The firm manufactured 1,800 units of the same product in 2015 with the following inputs:
500 pounds of Material A at a cost of $1.20 per pound
360 pounds of Material H at a cost of $2.50 per pound
400 direct labor hours at $18 per hour

The partial operational productivity of Material H in 2015 is:

a. 0.20.
b. 5.00.
c. 2.00.
d. 0.50.
e. 6.00.