Information About Hinze Corporation Is as Follows -Refer to the Figure

Multiple Choice

Information about Hinze Corporation is as follows:
$$\begin{array} { l r r } &20 \times 1&20 \times 2\\\text { Output (urits) } & 40,000 & 42,000 \\\text { Selling price per unit } & \$ 25 & \$ 25 \\\text { Input quantites: } & & \\\text { Materials (kg) } & 2,000 & 2,000 \\\text { Labour (hours) } & 1,600 & 1,625 \\\text { Input prices: } & & \\\text { Materials (per kg) } & \$ 5.00 & \$ 5.50 \\\text { Labour (per hour) } & 500 & \$ 7.50\end{array}$$
-Refer to the figure.By how much did profits change as a result of changes in productivity related to materials?

A) $550.00 decrease
B) $550.00 increase
C) $312.50 decrease
D) $312.50 increase