If the Following Are Capital Assets, Mark with a "Yes

If the following are capital assets, mark with a "Yes." If they are not capital assets, mark with a "No."
a. A taxpayer's personal jet ski ______
b. Ford Motor Credit Company bond held by an investor ______
c. A baseball for sale at Sports.com ______
d. J.K. Rowling's personal copy of her original manuscript of
Harry Potter and the Sorcerer's Stone ______
e. An antique grandfather clock inherited from the taxpayer's aunt ______