An investment of $5000 in Biotech common stock proved to be very profitable. At the end of 5 years the stock was sold for $25,000. What was the rate of return on the investment?

The answer is: 3. points

The point system is a made as a form of punishment for the drivers while providing them a chance to fix their mistakes at the same time.

When the point is accumulated into 12 points, the drivers will lose their right to drive for 3 months. If 2 years passed without added points, the point would be restarted into 0.