For each of the following assets, determine whether it is personal property, real property, intangible property, or personal use property:
a. Reagan gave her mother a new set of golf clubs for Christmas.
b. Roberta bought a whistle and uniform for use in her job as a referee.
c. Rochelle purchased a building and furnishings to use as a pet shop.
d. Graham secured a copyright on a novel that he wrote.
e. Farmer Brown installed an air-conditioning unit in the building that houses his chickens.
f. Alonzo traded his truck for cows for his dairy farm.