Guys, This is really not that difficult to understand. Actually we are all surprise by your questions about the bonus. A quick explanation...

We are offering a fix amount of CDTs, We have a cap of only 80K ETH, If those 80K will be sold during the first day that everybody gets the bonus
If everybody receives the bonus there is no difference between the investors, the bonus comes into effect between the different stages, so if the sale will take further than 1 day, those buyers will get less CDTs.

This is being done in EVERY token sale with bonuses, Check it! the cap is 80K ETH we can't and won't accept more. We took yesterday average ETH price to set the Cap, when the price was actually lower than 150$, Things could have easily been the other way around.