Which statement is true regarding the adequacy of consideration?

Multiple Choice

Courts consider the adequacy of consideration only if something is sold for less than $90\%$ of its market value.

Courts generally consider the adequacy of consideration in determining whether to enforce a contract.

Courts consider the adequacy of consideration only if something is sold for less than $70\%$ of its market value.

Courts seldom consider the adequacy of consideration but will do so if fraud is involved.

Courts consider the adequacy of consideration only if something is sold for less than $80\%$ of its market value.