174 NATURE OF CAPITAL AND INCOME [Cmar. X an element in the cost of production. From what has been said it is evident that every rent and interest payment, while it is a cost to the payer, is income to the payse. The total objective income of society consists wholly of positive items, such as the use of food and furniture, the shelter from houses, and the other direct services of wealth. There are no negative items in the account of social income which survive in the form of “costs of production.” When we turn, however, to subjective income, we find the case somewhat different. Including the human organism as capital acted upon by the outer world and itself acting upon the inner world of consciousness, we not only carry the uncanceled fringe of services one step further and obtain as net income the subjective satisfactions from the use of food, clothing, furniture, dwelling, etc., but we find it necessary to include also the subjective efforts put forth by human beings in order that these satisfactions may accrue. Thus, to revert to the income account of the lawyer. We found that his net income consisted of the use of house $100, use of furniture $50, use of food $150, and other uses $2500, making a total of $2800. But if we include the lawyer's own person in our accounts, we should have to enter, in addition to all the previous items of income, the following : — gpl Income Outgo Satisfactions from shelter. . . . 100[P) Shelter =. . . . 1000 Satisfactions from Self use of furniture 50 [Q] Use of furniture . 50¢ “| Satisfactions from use of food . . 150 [R] Consumption of Satisfactions from food t= =, 150d other uses . . 2500 [S] Other uses . . . 25000 Labor sacrifice . . 500 [t] Some of these additional items are subjective and some objective; the former are distinguished by italics. It is evident that the objective items, here debited to the person