Jensen Shipping has four open seats on its board of directors. How many shares will a shareholder need to control to ensure that his or her candidate is elected to the board given the fact that the firm uses cumulative voting? Assume one share equals one vote. 51 percent of the shares plus one vote 50 percent of the shares plus one vote 20 percent of the shares plus one vote 25 percent of the shares plus one vote one-third of the shares plus one vote