(0.004*1000)-2%0.08=3.92mBTC
yup, pretty close. but that was 3.92 in the previous 24 hrs from that point in time. notice it fluxes.... up and down.
It's like the newspaper. Yesterdays news.
well, wrong...
pool fee is 2%, coin2btc exchange fee is 2%, miner fee is 2.5%, formula for total fee is (1-(1-fee1))*(1-fee2)*...)
1-0.98*0.98*0.975=1-0.93639= wooping 6.361%
I just lost 40% of my profit when mining LBRY (exhchange fee) read more in this thread.