Gretel,an Inventor,has Tools in Her Workshop,including Hammers,a Table Saw,and Drills

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 

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