exchange ratio is 1:10 (if you hold 50000 mtnc-old ,then you will get 500000 mtnc-reborn)
Why you choose the ratio 1:10, not 1:1 or 10:1 ratios?
Such the 1:10 ratio will result in inflation of MTNC coin, that is bad ideas generally.
Looking at the low price of MTNC before serious issues happened long time ago, it was really low already, so with the inflation rate due to the swap, the price after swap might fall deeper.