In the pharmaceutical accounting software, you can view statistics on the effectiveness of your marketing tools.
Also in this report you can see the amount of money a customer bought from you, so that you can immediately assess which way of attracting customers leads to you those who leave the most money. You can generate such a report in the section "Reports - Money - Marketing":
In the window that appears, as usual, we indicate the time interval of our analysis and we get everything in a beautiful form.