HashFast customers will be pleasantly surprised by a free 25% boost in mining speed.
Conversely, HashFast customers are unpleasantly disgusted by having their orders shipped 2 months late.
Don't forget...you
marketed different prices based on delivery date.
First Question: What was the proportional difficulty increase from Mid-October Till now??
Second Question: What did a BJ cost back then?
Third Question: What does a batch sold today cost?
When you have those answers, you will know what HF should be increasing every chip they deliver by to compensate customers for ongoing losses. Somehow I don't think 25% will cover the difference.