Prime Cost and Conversion Cost Grin Company manufactures digital cameras. In January, Grin produced 4,000 cameras with the following costs: There were no beginning or ending inventories of WIP. Required: If required, round your answers to the nearest cent. 1. What was the total prime cost in January? X 2. What was the prime cost per unit in January? x per unit 3. What was the total conversion cost in January? x 4. What was the conversion cost per unit in January? X per unit