Ellis County, OK 31-18N-21W Lease Offers?

A landman has contacted me wanting to lease our acreage in 31-18N-21W of Ellis County, OK. Is $1500/acre at 1/5 a reasonable ask here? No current permits or poolings in this or adjacent sections online that I can see yet. What is the going range for bonus in this or adjacent sections? Anyone else receiving offers here? At what terms? Thanks!