Greenwood company manufactures two products—14,000 units of product y and 6,000 units of product z. the company uses a plantwide overhead rate based on direct labor-hours. it is considering implementing an activity-based costing (abc) system that allocates all of its manufacturing overhead to four cost pools. the following additional information is available for the company as a whole and for products y and z: activity cost pool activity measure estimated overhead cost expected activity machining machine-hours $ 200,000 10,000 mhs machine setups number of setups $ 100,000 200 setups production design number of products $ 84,000 2 products general factory direct labor-hours $ 300,000 12,000 dlhs activity measure product y product z machining 8,000 2,000 number of setups 40 160 number of products 1 1 direct labor-hours 9,000 3,000 foundational 4-14 14. using the abc system, what percentage of the product design cost is assigned to product y and product z?