Concept:Ordinary shareholders have residual ownership rights, including voting, electing directors, and preemptive rights, but their dividends are not fixed.
Explanation:Ordinary shareholders receive dividends only when profits are available and declared, and the amount is not at a predetermined rate.
In contrast, fixed-rate dividends are a feature of preference shares, not ordinary shares.
Thus, the right ordinary shareholders do not enjoy is receiving dividends at a predetermined rate.
Answer:A. receive dividends at a predetermined rate