Assume that Heather always maximizes her total utility given her budget constraint. Every morning for breakfast Heather has two eggs and three sausages. If the marginal utility of the last egg is 20 utils and the price of eggs is $1 each, what can we say about the marginal utility of the last sausage if the price of each sausage is $2?
A) It must be equal to 20 utils.
B) It must be equal to 40 utils.
C) Indeterminate.
D) It must be equal to 10 utils.