___[19]___, ___[20]___, and ___[21]___ are the three major forms of business organizations. The ___[22]___ provides the largest percentage of U.S. business incomes, but the majority of businesses are ___[23[___. Proprietors and ___[24]___ are liable for only business debts, whereas ___[25]___ and the owners of a ___[26]___ stand to lose only the initial investment.