When there is a construction boom in the United States, driving down the supply of drywall so that builders must import it, what should real estate brokers and sales agents be aware of? OA) That drywall prices will soon fall, making housing marginally less expensive OB) That the imported drywall may not meet local building codes, as well as national standards c) That there is enough to cover a project without gaps D) That builders may try to increase home prices because more hardwoods, marble, and granite will be used as replacement material 13