we will cover profit margin calculation in marketing right franchise distribution/marketing. First we need to know there is no fixed margin in this business unlike others. Profit margin depends at your marketing skill and types of distribution you are using i.e. prescription, OTC, hospital supply, generic distribution etc.
For More: https://blog.ayurvedicfranchisehelp.org/2019/03/calculate-profit-margin-net-rate-mrp.html
How to Calculate PTS/PTR link: https://www.youtube.com/watch?v=217bpeuXSks