Answer:
1. Becky gets a new video camera made in the United States - consumption (C)
This purchase is included in consumption because Becky, who lives in PA, bought a domestically produced product.
2. The state of Pennsylvania repaves highway PA 320, which goes through the center of Swarthmore - government purchases (G)
Government purchases is also known as government spending, and state investment in a highway is a form of government spending.
3. Alex buys a sweater made in Guatemala - imports (M)
Alex is an American who lives in PA, and bought a good made in Guatemala, a foreign country. Thus, his purchase is an import.
4. Becky's father in Sweden orders a bottle of Vermont maple syrup from the producer's website - exports (X)
The father lives in Sweden, and has purchased a good made in America. The good is an export.
5. Alex's employer upgrades all of its computer systems using U.S.-made parts - investment (I)
The employer has made a private investment with the hope of obtaining more economic profit in the future. This is an investment.
