Sean and Yvette Durand live in Swarthmore, PA. Yvette's father, Bob, lives in Sweden. For each of the following transactions that occur in their lives, identify whether it is included in the calculation of U.S. GDP as part of consumption (C), investment (I), government purchases (G), exports (X), or imports (M). Check all that apply.
a. Yvette's father in Sweden orders a bottle of Vermont maple syrup from the producer's website.
b. Sean buys a sweater made in Guatemala.
c. The state of Pennsylvania repaves highway PA 320, which goes through the center of Swarthmore.
d. Sean's employer upgrades all of its computer systems using U.S.-made parts.
e. Yvette gets a new refrigerator made in the United States.