Q: What does assigning a value to a Google Analytics Goal enable?
A) Track actual revenue from conversions
B) Track real-time business revenue
C) Analyze a website conversion funnel
D) Compare goal conversions and measure changes to a website
Correct Answer is D) Compare goal conversions and measure changes to a website.
Although assigning a goal value is optional, we recommend you do so to help monetize and evaluate your conversions.
Read more here: https://support.google.com/analytics/answer/1012040