A&S Corp. regularly ships its products to its warehouses. They ship three truckloads of merchandise biweekly using the services of the same trucking company. The trucking company on its part provides A&S Corp. a subsidized rate because it gets a regular business from A&S Corp. The discounted rate thus charged is called a _____ rate.
a. special
b. flat
c. spot
d. class
Answer: A