Which of the following statements is correct? a. small businesses that qualify under the tax code can elect not to pay corporate taxes, but then their owners must report their pro rata shares of the firm's income as personal income and pay taxes on that income. b. all corporations other than non-profit corporations are subject to corporate income taxes, which are 15% for the lowest amounts of income and 35% for the highest amounts of income. c. congress recently changed the tax laws to make dividend income received by individuals exempt from income taxes. prior to the enactment of that law, corporate income was subject to double taxation, where the firm was first taxed on the income and stockholders were taxed again on the income when it was paid to them as dividends. d. the income of certain small corporations that qualify under the tax code is completely exempt from corporate income taxes. thus, the federal government receives no tax revenue from these businesses.