[ He stops what he's writing only long enough to answer Mika, with not a moment's hesitation. ]

Of course not. There are many valuable things to be learned from common people. They are what makes a land prosperous. [ Certainly not nobles, even if he is one. Even if he is a filthy noble, his mama taught him right. ] If you can truly teach me the basics of such technology, I would be indebted to you.

[ And then, because it's the most obvious thing when he thinks about "payment". ]

Reading and writing practice. I can offer this, in return.