which lens shoul i buy

Hello guys, I posted exactly same post on another website/forum. I'm desperately need advice. Please ignore this if you've read or replied somewhere else. I'm kind of making decision what to buy between EF 50mm f1.8 STM and EF 85mm 1.8 I have these following. Lens Cannon EF 24 - 105mm f/4L...

Hi, I'm new here, never been in a forum before. I need some help from you. I'm from Brazil and camera stuff are too expensive in here. My ancle is going to Paraguay next week and he's going to buy me a 80D or a 70D. The thing is, plus the camera (body only) I only have money to buy a single US$...