How long is a bit of string? To be brutally honest Brnom, it's like walking to the garage and asking the bloke how much it'll cost to fix your car. Absolutely stupid isn't it? Just like your telescope! There are only TWO questions and they they are for YOU to answer.
Do you want to keep two virtually worthless pieces of junk?
Or do you want two valuable telescopic sights?
I could go on but to remain diplomatic and all that I'll leave it for the others