With a hearty meal prepared by Lynn's penguins, Jin had discussed with them as to what he would have done to all the other minions. First by showing the contract and subsequently telling them about the System once they have signed it.
But even in the process of getting them to sign the contract, Jin was shocked by their expected salary. (Despite Claire giving him a heads up that they might be expensive.)
"User, you are indeed getting a good deal considering their skills and experience as well as the knowledge they possessed." The System said even though it knows that the Dungeon Supplier has the resources to buy them thrice over. And when they learnt that the exotic animals Jin had were not just numerous but distinct, Kristin nearly went nuts.