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.

Transaction

Eric buys a bottle of Italian wine.

The Federal Aviation Administration expands the runways at Philadelphia International Airport, which is just a few miles from Eric and Ginny's house.

The Gaffneys build an addition on their house.

Ginny gets a new refrigerator made in the United States.

Kenji paints a landscape and sells it to an art collector in Canada.