For each example, determine how the market for the good in the bolded text will respond to the described change.
a. Due to increases in hay prices, an input for raising cattle, the price of a gallon of 2% milk increases from $2.98 to $3.25.
b. Groupon has a Groupon for $6 off the price of laser tag.
c. Sharp increase in the price of wood causes increases in prices for dressers and desks.
d. Week long special at the grocery store, where pork shoulder is on sale at $1.99 a pound, down from $3.99 a pound.
e. Buy one get one free special for mp3 albums on Amazon.

a. Due to increases in hay prices, an input for raising cattle, the price of a gallon of 2% milk increases from $2.98 to $3.25.  QUANTITY DEMANDED DECREASES, as the price of a good or service increases, the quantity demanded decreases.

b. Groupon has a Groupon for $6 off the price of laser tag.  QUANTITY DEMANDED INCREASES, as the price of a good or service decreases, the quantity demanded increases.

c. Sharp increase in the price of wood causes increases in prices for dressers and desks.  QUANTITY DEMANDED DECREASES, if the price of a key input increases, the production costs will increase, resulting in a higher selling price ⇒ lower quantity demanded.

d. Week long special at the grocery store, where pork shoulder is on sale at $1.99 a pound, down from $3.99 a pound.  QUANTITY DEMANDED INCREASES, as the price of a good or service decreases, the quantity demanded increases.

e. Buy one get one free special for MP3 albums on Amazon. QUANTITY DEMANDED INCREASES, the buy one get one free promotion lowers the price of a good or service, resulting in higher quantity demanded.

c is the correct answer.

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