I expect the binary-only version will account for most of your sales, since it costs 75% less. Sales of the source version might depend on whether that version

I expect the binary-only version will account for most of your sales, since it costs 75% less. Sales of the source version might depend on whether that version also includes the right to modify it and redistribute your custom version in your own apps, or is just a look-but-don’t-touch license. You may laugh, but people do try to sell that. Which is it?