The length of time over which the average of prices should extend would be determined as closely as possible by the average length of time that existing indebtedness had run. (The reason for this will be explained later.) In addition to the average prices of each commodity, the approximate amount or value annually consumed in this country, should be ascertained. From these data, a table should be prepared showing the amount one dollar would have purchased, on the average, of each of the commodities for the time determined, and from this a final table should be made taking such multiples of the amounts found in the previous table as should represent their proportionate consumption,--in other words, their relative importance in trade. For example, suppose the time selected were five years, as representing twice the average time existing debts had run; that during that time one dollar would have bought, on the average, 1.25 bushels of wheat, or 3 bushels of corn, or 100 pounds of pig iron, or 10 pounds of cotton, all of specified grade in specified markets; that, further, the importance of each of these commodities in the trade of this country was in the approximate proportions of 5, 3, 2, and 1, respectively. Then the final table would show:-- 5 × 1.25 = 6.25 bushels of wheat = $5.00 3 × 3 = 9 bushels of corn = 3.00 2 × 100 = 200 lbs. of pig iron = 2.00 1 × 10 = 10 lbs. of cotton = 1.00 ----- Total, $11.00 Considering these four commodities only, the dollar, as the unit and standard of value of our system, would be defined by law as one-eleventh of the sum of the values of 6.25 bushels of wheat, 9 bushels of corn, 200 pounds of pig iron, and 10 pounds of cotton. This illustrates the method of arriving at, and the definition of, the standard. Extended to all the commodities selected, the definition would be the same with the substitution of the proper figures.