The Ivory Islands Resort Offers a Forty Percent Discount on Lodging

The Ivory Islands Resort offers a forty percent discount on lodging from September through December every year,due the dramatic drop in the number of visitors during that period-largely because of unfavorable weather conditions.This type of price reduction is called a

A) cumulative quantity discount.
B) noncumulative quantity discount.
C) seasonal discount.
D) trade discount.
E) functional discount.