How much is 50 dollars in BG?

Could you please enlighten me on how much fifty dollars translates into Bulgarian leva? I'm trying to calculate a financial transaction and need to be absolutely certain about the conversion rate. I understand that exchange rates can vary, but I'm looking for a general estimation at the moment. Would you be able to provide me with an approximate figure? Your assistance in this matter would be greatly appreciated. Thank you in advance for your time and expertise.