here is the formula I've used but I keep getting the wrong answer. (80X.30)+720+(120X.50)=804 what am I doing wrong?

Aves Treats, Incorporated produces birdseeds. All direct materials used in the production process are added at the beginning of the manufacturing process. Labor and overhead are added evenly thereafter, as each unit is mixed and packaged. Aves Treats uses process costing and had the following unit production information available for the months of June and July: June Number of units in beginning work in process inventory Number of units started during the month Total number of units transferred to finished goods July 80 840 720 700 620 The units remaining in work in process at the end of June were 30% complete. During the month of July, all of the beginning work in process units were completed and the units remaining in work in process at the end of the month were 50% complete. For the month of July, the number of equivalent units of labor and overhead produced was