On January 1^st, 2019, NHL Inc. had a Beginning Work-in-Process balance of $20,000 ($10,000 of Direct Materials and $10,000 of Conversion) which consisted of 20,000 units which were 40% complete with respect to conversion costs.

During January, NHL started production on an additional 40,000 units and incurred $30,000 in Materials and $50,000 in Conversion costs.

NHL's Ending Work-In-Process consisted of 7,000 units which were 50% complete with respect to conversion costs.

NHL produces a single product. All direct materials are added at the start of the production process while conversion costs are incurred uniformly.

NHL uses a FIFO process costing system.

With respect to materials costs, how many equivalent units of work did NHL perform during January?