The Following Information Is Supplied by the Mountain State Company

Multiple Choice

The following information is supplied by the Mountain State Company: $\begin{array} { l }&2018&2019\\\text { Output (units) }&120,000&130,000\\\\\text { Input quantities: }\\\text { Materials (pounds) }&37,500&40,000\\\\\text { Input prices: }\\\text { Materials (per pound) }&\$4&\$6\end{array}$
What is the partial operational productivity measure for materials for 2019?

A) 3.2500
B) 3.2000
C) 0.3077
D) 0.3125