Answer: A. legal but not ethical
Explanation: Introducing mortgage plans to consumers in other to cater for their needs by a mortgage-loan officer is not a legal crime which will be penalized by the law. However, it is an ethical obligation on the path of the mortgage-loan officer to explain the modalities attached to a certain mortgage plan to consumers, both the advantages and the demerits. In the options ARM mortgage plan, it affords consumers to pay below the interest rate on the mortgage, this short paid interest are later added to the principal and the rates increases. This may cause a lot more harm than good to consumers who do not have detailed knowledge of this particular loan process.