Those celebrating the prospect of a first World Cup final in 24 years allowed their worries to disappear at least temporarily as they celebrated the nation's Independence Day with extra fervor.
But if Argentina fails to reach a deal by July 30, it will fall into its second sovereign debt in 12 years.
For the moment, though, monetary difficulties are put to one side as the nation fixates on the chance to become world champion for the first time in 28 years.
"I don't remember such feeling of contentment since I was a child and the return of democracy after the dictatorship in 1983 and then again when we won 1986 World Cup," added Perez.
"In a time of economic crises and scandals of corruption in the government, this moment provides a huge relief in the middle of adversity.
"So reaching the final game gives us real happiness and makes the country proud."
Germany represents an almighty challenge for Messi and his team.
This side, which obliterated host nation Brazil 7-1 in Tuesday's semifinal, believes this is the moment its potential is finally fulfilled.
But for Argentina, this opportunity is one it cannot afford to pass up after waiting for so long.
"Brasil, Decime Qué Se Siente" --- translated to "Brazil, Tell Me How It Feels" -- is the song that has been sung throughout the tournament by Argentine fans confident of their team's success.
Those words have become more venomous since Brazil's abject exit, and those who had dreamed of a home victory could be about to witness the host country's worst nightmare -- an Argentine World Cup-winning party on the Copacabana.
That is the dream that 40 million Argentines will pray for their footballing prophet to deliver.