Suppose that you invest $100 today in a risk-free investment and let the 4 percent annual interest rate compound. Rounded to full dollars, what will be the value of your investment 4 years from now?

Identify each of the following investments as either an economic investment or a financial investment.

1. A company builds a new factory.
2. A pension plan buys some Google stock.
3. A mining company sets up a new gold mine.
4. A woman buys a 100-year-old farmhouse in the countryside.
5. A man buys a newly built home in the city.
6. A company buys an old factory.