If an increase in consumer incomes causes the demand curve for product Z to shift to the left, then it can be said that product Z is a(n):

As the ________ increases, ________

A) quantity demanded of a good; its price increases B) quantity demanded of a good; its price decreases C) price of a good; its quantity demanded increases D) price of a good; its quantity demanded decreases

The benefit that Jack receives from consuming a pack of french fries is 10 utils. He expects a future health cost of eating french fries at 20 utils

If Jack discounts delayed utils with a weight of 1/4, should he consume french fries? Explain your answer.