26. A salesperson preparing a written offer from a prospect may do so by filling in the blanks on a pre approved broker's contract form if the subject property is a. Four acre vacant lot zoned as light commercial b. Five unimproved lot zoned as single family residential c. Fifteen acre unimproved lot that the prospect, a developer, will subdivide for construction of single family homes unsure d. Small , fully occupied strip mall housing a delicatessen, a dry cleaner, and a stationery store