"A large three-car detached garage is constructed on a homesite at a cost of $65,000. The appraiser researches the market and finds that this garage only adds $30,000 in value to the property." The valuation principle does demonstrate is a contribution. This is further explained below.
Generally, contribution is simply defined as the provision of something (as in money or effort) as a proportional share.
In conclusion, contribution is a major valuation principle.
Read more about the contribution
https://brainly.com/question/10410785
#SPJ1