Which of the following statements is true of corporations? a. A corporation’s charitable contribution deduction is limited to 25 percent of the corporation's taxable income. b. Income of all corporations is taxed in the same way that income of partnerships is taxed. c. A corporation may deduct organizational expenditures as they are incurred. d. If a corporation has a long-term capital loss that is carried back, it is treated as a short-term capital loss. e. Capital losses of a corporation may be deducted from ordinary income, subject to an annual limitation.