They found 22 blocks today at 25 btc a block * 600usd = $330,000 today * 30 days in a month = $9,900,000 * 12 months/year = $118,800,000. So, no ROI for YOU. For them plenty of ROI.
//edit - numbers were off a bit (looked at 48hr as opposed to 24hr)
we have been ripped and raped again and again by "the most trusted brand in Bitcoin mining"...