For each of the following scenarios, classify the type of spending (C,I,G,Xn), describe its impact on gross domestic product (increase, decrease, not impacted), and explain.

1. A new airplane purchased by United Parcel Service
2. The tuition you pay during your first year of college
3. The social security check your grandmother receives
4. A new purchase of 50,000 shares of Time/Warner stock
5. A new pair of tennis shoes made in China and purchased by an American shoe store