Being inside Spain will cost the Catalans a deficit of 25,000 MILLION euros in 2018.

Let's make numbers quickly. We Catalans pay Spain in taxes in 2017: 37,835 million euros.

 Montoro will lend to Catalonia through the FLA:
7.572 million euros.

 That means that the Catalans (if we count interest) we will pay to the Spanish state:45.407 million euros. 

What will the Generalitat receive from the Spanish government in 2018 ?: 
17,618 million euros. 

Therefore, being part of Spain will cost the Catalans: 
27.789 million euros.

Being very generous we can discount (for the proportional part that represents Catalonia) the royal house, Spanish parliament, army, investments and the equitable spending of the ministries of Madrid that assume non-transferred competences:2,789 million euros.

TOTAL EXPOLIO: 25,000 million euros. 
In other words, the entire budget of the Generalitat could be multiplied by 2 ...

And the Arrimadas and the Iceta agree with that theft ...