in 2030 we will have non-monetary society.. and therefore there will be no inflation..

Which, of course, is completely untrue. Everything is scarce, therefore there will always be inflation.
Captain Jean-Luc Picard: The economics of the future are somewhat different. You see, money doesn't exist in the 24th century.
Lily Sloane: No money? You mean, you don't get paid?
Captain Jean-Luc Picard: The acquisition of wealth is no longer the driving force of our lives. We work to better ourselves and the rest of humanity.
Pure ignorance and stupidity.