Sure, you can go ahead. I encourage discussions, would love to contribute a bit but I just hope they will remain discussions. It would be not-so-interesting for me to reply to posts like these - "Please provide solutions to Ques # X, Y, Z etc."
Thank you sir.
Sir if high type consumers are always going to choose (q-low, t-low), then how will the monopolist differentiate among the two types of consumers. And it's clearly mentioned in the question that the monopolist can observe both the types of consumers.