Implement factor-of-sale for Missouri dispensaries that helps promotions, caps on discount rates
https://privatebin.net/?5b733075a8e14fcc#HxcH3s6cWoZ9wuZdasLDFBNkAdkBhVhYkuG9TfEhENGK
Implement aspect-of-sale for Missouri dispensaries that supports promotions, caps on mark downs, and stock validation to evade overspending and stock trouble.