Equal Pay Day Sale at Anarres Natural Health:
Women and Trans people get 31% off everything*!
(I'll adjust your invoice when you tell me how you want to do your part to close the Gender Pay Gap.)
(cis) Men pay a 31% premium on all sales Anarres Natural Health .
I suspect that I'll be alienating a lot of men. This might actually make the point clear.
(Men - you can escape the 31% premium when you tell me how you want to do your part to close the Gender Pay Gap.)

https://www.youtube.com/watch?v=SGfL_G7ULl8

*Everything not sold on consignment, that is. That's because my commission is 25%. And I'm a woman, too.