Equivalent Units of Conversion Costs

The Filling Department of Ivy Cosmetics Company had $7,700$ ounces in beginning work in process inventory $(10\%$ complete$).$ During the period, $64,100$ ounces were completed. The ending work in process inventory was $3,200$ ounces $(60\%$ complete$).$

What are the total equivalent units for conversion costs?

fill in the blank $1$ units