Grouper Tires manufactures tires for dune buggies and has two different products, nubby tires and smooth tires. The company produces 5,700 nubby tires and 10,700 smooth tires each year and incurs $226,740 of overhead costs. The following information is available: For the nubby tires, the company has 470 requisitions, 270 setups, and 270 inspections. The smooth tires require 670 requisitions, 370 setups, and 470 inspections. Determine the overhead rate for each activity