The Following Income Statement Was Prepared by Case Company for Year

The following income statement was prepared by Case Company for Year 2:
$\begin{array}{lr}\text {Sales}&\$100,000\\\text {Cost of goods sold}&\underline{65,000}\\\text {Gross margin}&\$43,500\\\text {Selling and administrative expense}&26,000\\\text { Interest expense } & \underline{5,000} \\\text { Total expenses }& \underline{31,000}\\ \text {Income before taxes } & \$12,000 \\\text { Income tax expense } & \underline{ 4,000} \\\text { Net income } & \underline{\$8,500}\end{array}$
Required:
Perform vertical analysis for Case Company's Year 2 income statement.