M4-12 Classifying Activities According to Level [LO 4-2] Canterbury Corp. has identified the following activities in its manufacturing process. Classify each cost as facility, product, batch, or unit level. (If more than one option is possible (i.e. Facility or Batch) select the choice with both options.) Product design research Materials handling Machining Assembly of components Finished goods inventory storage Rework after a quality inspection Painting end product Raw materials inventory storage