I believe low interest rate is the correct answer
It allows us to precisely tell where places, people (under certain circumstances), etc. are. It is the most widely relied upon mapping system in the world. Using a GPS, you can find almost any plotted (known) location on the Earth. Most mapping operations rely on a GPS and would, otherwise, fail without it.
Answer:
Improved performance.
Reduced system load.
Protection for source code and programs.
Improved productivity and quality.
Portability of compiled programs.
SAA compliance checking.