$11.$ 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$?$