Profitability from new routes?
Making money on new routes will be difficult as return on investment on new routes would take years to make.
More investment for RJ? More money to be wasted.
New aircraft, new training, new simulator, and the list goes on. Wet-lease? FRAUD FRAUD FRAUD FRAUD FRAUD!
Selling A340s?
They are not Toyota Corolla and would take year(s) to get rid of them. Unless you sell them at a very deep discount, or with the condition that they are in, sell them like scrap metal.