Moe and Larry have completed the foundation for their new house. Before doing more work, they realized that the foundation encroached on their neighbor's property by five feet. They should

A) continue building where they started because the foundation is a sunk cost that should not matter.

B) buy the five-foot strip of land from their neighbor only if the price is less than the anticipated total cost of building the house.

C) buy the five-foot strip of land from their neighbor only if the price is less than the cost of tearing out the old foundation and building a new foundation on their own land.

D) buy the five-foot strip of land from their neighbor only if the price is less than illustrate what Moe and Larry have already spent on the foundation.

E) buy the five-foot strip of land from their neighbor only if the price is less than the cost of tearing out the old foundation.