(L01) Explain whether each of the following are considered taxable income. a. \( \$ 10,000\) payment for illegal services b. \(\( \$ \) 500\) Chicago Blackhawks tickets received in exchange for maintenance performed on your friend's car c. \(\( \$ \) 3.500\) loan forgiven by a friend d. \(\( \$ \) 1,000\) cash found in old purse purchased at a flea market e. \(\( \$ \) 100\) found on the sidewalk f. \(\( \$ \) 200\) received for dog sitting g. \(\( \$ \) 1,250\) increase in the fair market value of stock owned at end of taxable year