How much money does it cost to make someone else draw a manga chapter? Given the average length of a manga chapter, how much would it cost to make someone else draw it given you already have a script with the dialogues done?

Im looking for a manga i read a long time ago but cant seem to remember the name. I need some help. In this manga the mc in a cave with 2 other men and while resting a monster attacks them but the cave was comming down but could not escape with the monster their so the mc took it opone himself t...

It was a couple of years ago but I remember reading a WEBTOON of a girl that would always wear long sleeves even thought it was summer then I think in the first or so chapter some water fell on her while she was walking outside and then everybody around her starts talking about all those tattoos ...

I've been wondering for quite a while. Each time I have questions about either anime or manga, someone always refers to the word "canon", or "non-canon". I've searched up what the word means on Google to help expand my understanding on it, and many answers that differ very much show up. It's help...