Visit a rice farm. Louisiana, California or China. The farmer will treat you, and their crop the same. Different crops. Different ways to set and settle exchange. More methods of forecasting the time and amount to plant than how to set the price. But, ask them for a sack of rice and you will be given one — for free. Ask and you shall receive … So, they value the sack of rice low. But ask for their harvest and you will be quoted a price. If the value of ONE is ZERO how does the value of ALL become high?