If wages amount to three shillings, which can be produced in five working hours, and if the worker works in the factory ten hours for these wages, so that he creates exchange value to the amount of six shillings, then the rate of surplus value is 100 per cent. The whole of the surplus value which arises in this manner in the process of production is called the mass of the surplus value, or shortly, m.s., that is to say, the individual rate of surplus value multiplied by the total number of workers engaged in an undertaking, or the total amount of wages.
5. Profit.
The mass of surplus value appears to the capitalist in the shape of profit. Surplus value is a Marxian scientific term which exactly expresses the principle of profit. Profit is a commercial expression which describes surplus value as it appears in practical life as a subject of experience, i.e., empirically.
The distinction between the Marxian theoretical and the commercial empirical conception is, however, not so simple: it arises from the different conceptions of the influence of capital and labour in the economic process. Let us explain it more distinctly.
As is known, Marx divided the capital embarked in industrial enterprise into two parts: into constant (technical means of production) and variable (living labour power, wages). He assumed that only the living labour power (wage labour) creates surplus value, whilst the constant capital only adds its own value to the new products.
The capitalist divides his capital outlay otherwise: into fixed (buildings and machines) and circulating (raw materials and wages) capital. The fixed capital is only used up slowly and only passes entirely into production during a series of years—let us say 15 years: thus of a fixed capital of £75,000, £5,000 would each year be consumed in the production of commodities, and written off in the balance sheet. On the other hand, the circulating capital (raw materials and wages) are wholly consumed in every period of production, and must be renewed at the beginning of a new period of production.
Suppose an industrial undertaking about to be started requires a capital expenditure of £105,000: £75,000 fixed capital (for buildings and machinery), £20,000 for raw materials, £10,000 for wages. For convenience sake, we will suppose that the period of production lasts a year, and that the rate of surplus value amounts to 100 per cent., that is, the labour power receives a payment of £10,000, and produces a value of £20,000. At the end of the year, the capitalist reckons an expenditure of £5,000 on account of fixed capital, and £30,000 of circulating capital: the commodities produced cost, therefore, a net outlay of £35,000. This is the cost price, without adding profit. According to Marx, cost price signifies (c) and (v), therefore without (s), (surplus value).
But the capitalist knows that the manufactured commodities represent a greater value than the cost price. According to Marx, the surplus value amounts to £10,000 (as the variable capital of £10,000 creates surplus value at the rate of 100 per cent.); but the capitalist adds to the cost price a profit which includes the gains of the enterprise and interest on the capital outlay. If the capitalist were alone in the market, his profit might suck up the whole of the surplus value of £10,000; but he has to reckon with competition and the state of the market. The cost price, plus profit, is the production price as established by the capitalist. But according to Marx, that is, in pure theory, the production price is equal to the cost price, plus surplus value. There is thus a quantitative distinction—a difference in the amount of money—between the theoretical and practical production price, as well as a qualitative distinction between the notions of the capitalist and Marx respecting the source of profit. The capitalist believes that profit is the result of the portion of capital which he has put into the process of production, combined with his own commercial ability. On the other hand, Marx asserts that the capitalist can only extract a profit because the wage workers (the living labour power) create a surplus value in the process of production for which they receive no payment.
We assumed that the surplus value amounted to 100 per cent. measured with variable capital, and that £10,000 expended on wages produced £20,000. The annual balance sheet, however, would show the percentage of profit to the total outlay. Consequently, we must spread the £10,000 surplus value over the £35,000 which have been expended. The surplus value of an undertaking spread over the total capital (c) Marx calls the rate of profit, or shortly, s/c = 10000/35000 = 28.58 per cent.
As a rule, the capitalist cannot sell under cost price without becoming bankrupt, but he can quite easily sell under the production price, and mostly does so. In the example already given, his rate of profit amounts to over 28 per cent. According to the degree of competition, or by reason of other circumstances which we will examine in the next chapter, he can content himself with a rate of profit of 10, 15, or 20 per cent., which will serve him partly as an income and partly be expended in the development of his enterprise. The 28 per cent. profit generally forms a circle within which he fixes his manufactured price. Under favourable circumstances he can add the whole 28 per cent, to the price; under less favourable, only 20, 15, or 10 per cent. Accordingly, several portions of surplus value remain in the commodities which are not yet realised. What happens to them? The remaining portions of profit or of surplus value fall to the large or small traders who are interposed between producer and consumer, or go in the form of interest to the banking institutions, in the event of the capitalist operating with borrowed money. As the profit is only realised in the process of circulation (in commerce and exchange) and there divided amongst the various economic classes and sections, most people believe that profit arises in commercial transactions. They do not know that the price of a commodity can only be increased in trade because its manufactured price was fixed below its price of production or its value, that is, because the commodities contain surplus value which is only gradually realised in the process of circulation.