For each of the following properties, explain which method of valuation is most likely to be used

Question:

For each of the following properties, explain which method of valuation is most likely to be used and why (based on data availability):
a. A McDonalds franchise store in suburban Washington, D.C.
b. A cornfield somewhere in the middle of Iowa.
c. A General Motors assembly plant in Flint, Michigan.
d. The lavish home of Bill Gates in suburban Seattle.