3 coins a day @ £2 each x7 = 63x4= £252 for 28 days mining. My electric bill is 100-110 a month. THats how i do my maths. Even 2 coins a day or a drop to £1.33($2.08 ill have you know) would give me £168 still leaving a profit.
Uhh, Zed doesn't think so. Neither does Google Spreadsheets.