On January 31, a snowstorm damaged the office of a small business, and some of the accounting information stored in the computer's memory was lost. The following information pertaining to January activities was retrieved from other sources:

Direct materials purchased $18,000

Work in processbeginning inventory 2,000

Direct materialsbeginning inventory 6,000

Direct materialsending inventory 10,000

Finished goodsbeginning inventory 12,000

Finished goodsending inventory 2,500

Sales 60,000

Manufacturing overhead and direct labour incurred 22,000

Gross profit percentage based on net sales 40%

What amount of work in process inventory was transferred out to finished goods during January?