Hello, dmitritch, you wrote: D> that that expenditures on manufacture of the same amount of processors can be different, as well as their price, and all it changes for 10 years repeatedly. And still profitability depends on congestion of manufacture. How it is possible to tell about what that to "rate of return" with reference to the future time?" Rate of return "it something an average, for example" trade rate of return in the market jeans "- 20 %, it thus that costs, suppliers and volumes of trade at all tents with jeans + / - identical. Gazprom this year builds 3 gas conduits, and in 2 years it completes them, and still through 5 pays credits which took on building and thus volumes of sale of gas many years grow year by a year. Here it is possible to tell about what"rate of return", if this year profit one, and in 5 years in it there was several times more such enchanting bosh that simply oh. At you if the rouble is - you with ease will double it. And if at you trillion as at - that excuse, 6 % a year, and that if carries. The Boeing total has less, .