Gretel, an Inventor, Has Tools in Her Workshop, Including Hammers

Gretel, an inventor, has tools in her workshop, including hammers, a table saw, and drills. She has a patent on her most recent invention, a kitchen gas grill. She licenses the patent to Home Appliances, Inc., a company in which she owns stock. Her tangible personal property includes the

A) workshop tools.
B) Home Appliances stock.
C) patent on the gas grill and license to Home Appliances.
D) all of the choices.