you could just A/B test the difference between using $9.00, $9 and 9, for example. You could also play around with sales tax where one menu has values of say $

you could just A/B test the difference between using $9.00, $9 and 9, for example. You could also play around with sales tax where one menu has values of say $7.99 (tax not included) and another has $9 (tax included)