PMP Certification Mix Questions Test 2

It is expensive to lease office space in cities around the world. Office space can cost approximately USD $\mathrm{\$}$80 per square foot in Tampa, Florida. And it can cost approximately $\mathrm{\$}$50,000 per square meter in Tokyo. These "averages" can help a person to determine how much it will cost to lease office space in these cities based on the amount of space leased. These estimates are examples of______________