AAT Level 3 - Mark up and Margin

[@qlecaterina3417]

The only video which really explains the difference!!! Thanks,!

[@tatianalagush8369]

Thank you so much for making this video 🙏

[@cuteotter2165]

Thank you so much for this. My calculations for markup have been wrong because I was thinking sales were 100%

[@lisab9608]

👏