Kon answers on how to get home are at the research center, but when he makes it the lab 
chief will not give up any answers without payment.
I could educate you, but it 
will cost you questions.
Podría decirte pero te costaría preguntas.
Podría hablarte de ellas, pero te costaría unas cuantas preguntas.
Eu poderia te dizer, mas te
 custaria algumas perguntas.