Information About Blair Company Is as Follows -Refer to the Figure

Multiple Choice

Information about Blair Company is as follows:
$\begin{array}{lcr}&20 \times 1 & 20 \times 2\\\text { Output (units) } & 10,000 & 9,300 \\\text { Input quantities: } & \\\text { Labour (hours) } & 4,000 & 3,875\\\text { Input prices: }\\\text { Labour (per hour) }&\$7&\$8\end{array}$
-Refer to the figure.What is the partial operational productivity measure for labour for 20X1?

A) 0.4
B) 2.4
C) 2.5
D) 2.8