> Marxism from a logical perspective, will fail because it can't calculate.

That's very wrong. You don't need a Sears catalog to sum the costs of production/acquisition all the way to the start of the value chain. You may need input to predict the demand for a given product but that, again, supposes a market.

> The direct result of which has been a drastic drop in living standards to starvation.

You seem to ignore the effects of embargos and arms races. The US can finance its colossal military expenditure by issuing long-term titles while the Soviet Union couldn't, but that won't last forever.