Lynn Amherst is a sales associate for Excel Realty. Lynn is preparing a classified ad for a listed property. The company's phone number is 1-800-222-1010. Lynn's cell phone number is 1-800-333-2020. Which excerpt conforms to the rule regarding advertising?

a. Call Lynn at Excel Realty 222-1010.
b. Call Lynn Amherst, licensed sales associate, 222-1010.
c. For information, call Lynn at 333-2020.
d. Call Lynn Amherst, Excel Realty 333-2020 (cell).