The Following Information Is Supplied by the Redmond State Company

Multiple Choice

The following information is supplied by the Redmond State Company: $\begin{array} { l }&2018&2019\\\text { Output (units) }&175,000&190,500\\\\\text { Input quantities: }\\\text { Materials (pounds) }&40,500&52,000\\\\\text { Input prices: }\\\text { Materials (per pound) }&\$6.50&\$9\end{array}$
What is the partial operational productivity measure for materials for 2018? (Round the answer to two decimal places.)

A) 4.70
B) 4.32
C) 3.66
D) 3.37