>>> Any producer would rather sell a tenth of the units at ten times the cost * 10 times the PRICE. 10 times the cost means taking on 10 times the risk if unit

>>> Any producer would rather sell a tenth of the units at ten times the cost * 10 times the PRICE. 10 times the cost means taking on 10 times the risk if units don't sell, while keeping the same reward (profit). :)