In your code, you have a method that takes a superclass instance as a mandatory argument. An instance of a subclass, rather than a superclass object, will suffice. Can we do that, if so? Where is the value in that?

Microsoft Visual C#
7th Edition
ISBN:9781337102100
Author:Joyce, Farrell.
Publisher:Joyce, Farrell.
Chapter10: Introduction To Inheritance
Section: Chapter Questions
Problem 20RQ
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In your code, you have a method that takes a superclass instance as a mandatory argument. An instance of a subclass, rather than a superclass object, will suffice. Can we do that, if so? Where is the value in that?

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