Voucher Bazaar : Exchanging Gems

Voucher to Gem Ratio

At first, everyone receives the offer to "exchange 150 Vouchers for 50 Gems".

Voucher to Gem ratio

3:1

After exchanging 150 Vouchers for 50 Gems, next offer appears as "exchange 400 Vouchers for 100 Gems".

Voucher to Gem ratio

4:1

After exchanging 400 Vouchers for 100 Gems, next offer appears as "exchange 2450 Vouchers for 350 Gems".

Voucher to Gem ratio

7:1 

Worse conversion after every exchange!