Answer:
Option B - Contingent discount.
Explanation:
Given : Walter sees a sign on a store window announcing a 25 percent discount on a minimum purchase of $500.
To find : What type of discount is the store offering?
Solution :
According to the question,
The type of discount is contingent discount.
Contingent discounts are granted to a buyer with more certain requirements for cost which has to be satisfied.
As there is a requirement to have a minimum purchase of $500.
Therefore, Store offering contingent discount.
So, Option B is correct.