With difficulty at 40,000,000,000 and BTC at $545.65 JUST FOR KICKS with 23.7 Th/s
Difficulty 40,002,482,026.00
Mining Factor 100 0.00 USD/24h@100MHash/s as in these charts
Average generation time for a block (solo) 83 days, 21 hours (can vary greatly depending on your luck)
Hardware break even 187 days
Net profit first time frame (3 Months) -8442.92 USD because of $17,480 cost of equipment and accessories.
Mining a pool with same difficulty @ 40,002,482,026.00 and BTC @ $545.65 for a 3 month period:
Coins per 24h at these conditions 0.2980 BTC
Power cost per 24h 59.40 USD
Revenue per day 162.58 USD
Less power costs 103.18 USD
System efficiency 1436.36 MH/s/W
Mining Factor 100 at the end of the time frame 0.00 USD/24h@100MHash/s
Average Mining Factor 100 0.00 USD/24h@100MHash/s
Power cost per time frame 5423.96 USD
Revenue per time frame 13965.04 USD
Less power costs 8541.08 USD
should have set it to $510 like your bet with sjc