What Is the Best Example of a Marginal Change

Multiple Choice

What is the best example of a marginal change?

A) After graduating from university, Neville's income increases from $1000 per month to $1,100 per month.
B) Jadelyn completes the six-month probationary period at her job and is now paid $11.2 |5 per hour instead of $11.00.
C) Housing prices in an area increase by 50% when a new freeway is built in a small town.
D) A hard freeze wipes out half of the potato crop in Prince Edward Island and the price of potatoes doubles.