Answer:
<u>c. exposing himself to unlimited personal liability.</u>
Explanation:
One major characteristic of sole proprietorship being the individual is sole recipient of profits and sole bearer of all risks and liabilities.
A sole proprietor bears unlimited liability in the sense that, in case of bankruptcy, the proprietor's personal assets can be taken away to repay debts owed by him.
Though a proprietor also remains the sole recipient of all gains, similarly the proprietor is also exposed to unlimited risk.
Thus, the correct option is, c. exposing himself to unlimited personal liability .