Sifton Electronics Corporation manufactures and assembles electronic motor drives for video cameras. The company assembles the motor drives for several accounts. The process consists of a lean cell for each customer. The following information relates to only one customer's lean cell for the coming year. For the year, projected labor and overhead was $5,620,600 and materials costs were $28 per unit. Planned production included 5,728 hours to produce 17,900 motor drives. Actual production for August was 1,870 units, and motor drives shipped amounted to 1,310 units. Conversion costs are applied based on units of production From the foregoing information, determine the amount of the conversion costs charged to Raw and In Process Inventory during August. a. $587,180 b. $589,078 c. $235,854 d. $175,840