Yes, but I find it very hard to belive that you don't know that this difficulty is increasing every 11 days (between 12% - 20%). Your calculations are misleading because you know very well what I'm talking about. It's not good for the image of your company to state false numbers, the difficulty it's not static. Present all the risks with buying cloud mining contracts so the costumers can make their calculations . Don't mislead costumers with false calculations, we had enought companies like this!