Which of the following is not required for a corporation to be eligible to make an S corporation election in 2016? 

a. The corporation must be a domestic corporation. 

b. The corporation must have both common and preferred stock. 

c. The corporation must have 100 or fewer shareholders. 

d. All shareholders must be either individuals, estates, certain trusts, or financial institutions. 

e. The shareholders of the corporation must not be nonresident aliens.