Answer:
C. Local board of realtors
Step-by-step explanation:
Local board of realtors are usually the ones providing the contract forms. This is because, real estate laws differs from state to state, so the contract forms becomes state specific, hence it should be provided by the local board of realtors found within that state. The board encompasses realtors and individuals working in real estate. Therefore forms provided by them are usually in the upmost quality. Hence why it is better to use their forms.