I suggest you enrol in an English class for beginners :learn proper pronunciations. You have mis- pronounced " studio" ..... Learning English will allow you to communicate with locals in a far better way!!! You must encourage others do the same.
He said he averaged about £4k per mouth, sometimes £5k per month with a lot of overtime at 1.5x and 2x pay. That equates to about £60k per year, not unreasonable in the UK. I don't know how you calculated to get £60k per month. And you claim you are an accountant with over 20 year experience ? Lol.
