980tiだと赤字か
https://www.nicehash.com/profitability-calculator#nvidia-gtx-980-ti;JPY;29;1;250;0;a8=1;a14=36.91;a20=21.57;a21=2.4;a22=0.7;a23=0.24;a24=461;a25=0.98;a26=13.3