Equivalent Units of Materals Cost

The Filling Department of Ivy Cosmetics Company had $3,300$ ounces in beginning work in process inventory $(30\%$ complete$).$ During the period, $55,000$ ounces were com The ending work in process inventory was $2,800$ ounces $(30\%$ complete$).$

What are the total equivalent units for direct materials if materials are added at the beginning of the process? units