Productivity in the United States of America (!!! Higher than in Russia.
Divide 3000 by 6 - a total of 500 backs. At the rate of 50 - 25000 rubles per month.

Attention to normal wages! Nude is understood? You are paying too much...
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How many times the productivity of the excavator on the excavator exceeds the productivity of the scavenger with a spade? And the second question is because the earth is too lazy, right?