$11$ Using the plantwide overhead rate, what percentage of the total overhead cost is allocated to Product Y and Product Z$?$

$12$ Using the ABC system, what percentage of the Machining costs is assigned to Product Y and Product Z$?$

$13$ Using the ABC system, what percentage of Machine Setups cost is assigned to Product Y and Product Z$?$

$14$ Using the ABC system, what percentage of the Product Design cost is assigned to Product Y and Product Z$?$

$15$Using the ABC system, what percentage of the General Factory cost is assigned to Product Y and Product Z$?$