Bill lister contracted with plimsoll corporation to complete the roofing on a housing complex. a signed contract established a flat amount for the services rendered by bill lister. bill is a licensed roofer and does his business under the business name, lister roofing. he hires his own roofers who are treated as employees for federal employment tax purposes. if there is a problem with the roofing work, lister roofing is responsible for paying for any repairs. bill lister, doing business as lister roofing, is a(n)
multiple choice

a. agent.
b. independent contractor.
c. bailor.
d. lessee.