Hershey Inc. uses the standard costing system for baking Chips Ahoy. For baking the cookies, it has set some standards for direct materials. This is a standard of 2 gallons of input at a cost of $9.50 per gallon. During July, Hershey Inc. purchased and used 6,800 gallons, paying $46,800. The direct materials quantity variance for Hershey Company's Chips Ahoy was $2,090 unfavorable. How many units were produced?