>5-10% loss at the register
Where did you get this number from?
Clankers found me one study [1] that suggests total handling costs may actually be this bad, but are highly business dependent e.g. restaurants are worse than grocery stores
[1] https://www.ihlservices.com/product/the-cost-of-cash-handlin...
Clankers found me one study [1] that suggests total handling costs may actually be this bad, but are highly business dependent e.g. restaurants are worse than grocery stores
[1] https://www.ihlservices.com/product/the-cost-of-cash-handlin...