I can't edit it now, but of course it's ambiguous as to where the boundaries lie so please take the upper limits as EXCLUSIVE. e.g. if you charge exactly $100,

I can't edit it now, but of course it's ambiguous as to where the boundaries lie so please take the upper limits as EXCLUSIVE. e.g. if you charge exactly $100, rather pick $100-$150 and NOT $70-$100.