F! Team Spending......

Yep, If you look at Renaults Net income for 2007 it was only 3.9Billion USD

Renault Revenue ▲ $59.45 illion USD (2007)
Nissan Revenue ▲$88.77 billion USD (2007)
Toyota Revenue ▲ $202.86 billion USD (2007)
Fiat/Ferrari Revenue ▲ $83.53 billion USD (2007)

I think Nissan could easily afford an F1 team.