Use the Information Below to Answer the Following Questions -If Salaries Expense Amounting to $3000 Were Eliminated,what Would Be

Use the information below to answer the following questions. Each question is to be considered separately.
The income statement of Berrima Barbed Wire Ltd is:
$\begin{array}{lr} & \$ \\ \text { Revenue } & 22,000 \\ \text { Expense } & \underline{12,000} \\ \text { Profit before income tax } & 10,000 \\ \text { Income tax expense }(30 \%) & \underline{3,000} \\ \text { Net profit } & \underline{7,000}\end{array}$
-If salaries expense amounting to $3000 were eliminated,what would be the effect on net profit after tax?

A) It would decrease by $2100.
B) It would decrease by $3000.
C) It would increase by $2100.
D) It would increase by $3000.