The country of Saudi Arabia has invested heavily in improving its human capital and its capital goods. Which is a likely result of this increased investment?

A. trade decreases
B. standard of living goes down
C. Gross Domestic Product (GDP) rises
D. Gross Domestic Product (GDP) fails

C. Gross Domestic Product (GDP) rises

Investing in human capital and capital goods typically leads to an increase in productivity and economic growth, which in turn increases the country's GDP. This would result in an overall improvement in the country's economy and standard of living.