I have read over this more than once & have yet to see an explanation.When anyone asked they have been ignored.
In the first post in this thread & on your site it says $25 per 1000 for the premium tier, $15 per 1000 for the gold tier, $5 per 1000 for silver,& the rest $1 per 1000.
Also in the first post it says Earn up to 50% of your affiliated member downloads earnings and up to 10% of the sales.
It says the same thing on your site.
But,in the "My Account" section of the site under "Profit Mode" for PPD it says 50% of downloads & 10% of sales.
When somebody downloads a file you are not paying them what you show the PPD rate to be.You are paying them 50% as if they were getting paid from an affiliates downloads.
Example.I uploaded a file.I had someone living in a gold tier country download the file.According to your chart I should have received .015 for the download,I didn't.I received .0075.
If you are only paying half of what is listed in the chart,you need to change the chart.