for my small farm($0.17/kwH):
22 gtx1070
12 gtx1060
18 rx570
4 rx580

what would you guys recommend to mine i.e. most profitable coin?

nvidia GPU: RVN or nicehash-x16r with z-enemy miner

amd GPU: XHV or XMR with XMRStak miner?

none of the above?

tnx