Taxation can help the activities of a particular group in the sense that they limits competition or encourage it whether it is a producer or consumer groups. tax expenditure amount to subsidy because they lead to exemptions or deductions and reduction of credits targeted to a particular or specific group, for example medicare. <span />
The Answer is B. Capital gains are talking only about investments or real estate. You only realize the gains when a property is sold. Since it is more money than what it is bought for.