Which of the following is the correct order of corporate issues based on risk and return? (most risk-return to least risk-return)
a. Common stock, subordinated debentures, secured debt, treasury bills.
b. Preferred stock, common stock, subordinated debentures, secured debt.
c. Common stock, long-term government bonds, secured debt, subordinated debt.
d. Common stock, secured debt, subordinated debentures, preferred stock.