It is a disadvantage of that retained profits are taxed twice. It is a disadvantage of that the cost of capital and labour is high, relative to that of a corporation. O A. a corporation; a partnership O B. both a partnership and a sole proprietorship; a sole proprietorship O C. a corporation; both a, partnership and a sole proprietorship O D. a sole proprietorship; a partnership . . . It is an advantage of that decision making is simpler. It is an advantage of that owners have limited liability. O A. a sole proprietorship; a corporation O B. a corporation; a sole proprietorship C. both a partnership and a sole proprietorship; both a partnership and a sole proprietorship O D. a partnership; a partnership