Hayate is forced into a situation his only viable option is to do something illegal, unethical, and unbecoming.  After being called a Mom like figure to Nagi, Maria goes to the source on information regarding Nagi’s father.
Whoa! That's a huge charge!
¡Qué caro! ¡Eso es muy caro!
¡Qué caro! ¡Eso es muy caro!
Que caro, é caro demais!