M4-3 Identifying Cost Drivers in an ABC System [LO 4-3] For each of the following activities, indicate the appropriate category (unit, batch, product, or facility level) and suggest a possible cost driver for each pool: Activities Category Potential Cost Driver Factory utilities Machine setups Research and development for a new product Sanding rough edges of the product Packaging the product for shipment Developing new packaging for a new product line Maintenance on equipment Assembling the product's component parts Materials handling costs Quality control testing