Which of the following will be considered a capital asset?

Inventory from your floppy disk business

b. A portrait of you painted by your best friend, Jackson P who is a professional artist, given to your wife 15 years ago

c. A pasture you own for your three horses, 17 goats, and 12 sheep

d. Your autographed picture of President Jimmy Carter you received when you graduated from grade school in 1977