Aspen Popular Company Prepared the Following Absorption-Costing Income Statement for the Year

Aspen Popular Company prepared the following absorption-costing income statement for the year ended May 31,2015.
$$\begin{array} { l r } \text { Sales ( } 8,000 \text { units) } & \$ 160,000 \\\text { Cost of goods sold } & 108,000 \\\text { Gross margin } & \$ 52,000 \\\text { Selling and administrative expenses } & 18,000 \\\text { Operating income } & \$ 29,000 \\\hline\end{array}$$ Additional information follows:
Selling and administrative expenses include $1.50 of variable cost per unit sold.There was no beginning inventory,and 8,750 units were produced.Variable manufacturing costs were $11 per unit.Actual fixed costs were equal to budgeted fixed costs
Required:
Prepare a variable-costing income statement for the same period.