advice Current prices for lll .in - nnn .in - nnnn .in names

[dnbrokership]

I have a buyer for lll .in names but sellers keep asking me for prices. I have no idea and the buyer will only accpet names to review with prices. I want to tell sellers what market is but I have no idea. What is the wholesale price for lll .in, nnn .in, nnnn .in?