19. Consider the below class definition. Assuming standard naming conventions and typical modeling relationships, what is the interface being implemented?

"public class LightRail : Train, IFareTransit"

Question 19 options:

	public class
	IFareTransit
	Train
	LightRail

20 Is this analogy correct? "A blueprint of a house would be the object, the constructed version of the house would be a class"

Question 20 options:

	True
	False

21 What is the return type of this method?

"public decimal ComputeInterest(int dollarAmount) { .... }"

Question 21 options:

	decimal
	public
	string
	int