That depends on whether the clerk has gone to college.
In California, you need a cash register with a calculator to figure out the sales tax in your area!
California City and County Sales and Use Tax
Rateshttps://www.cdtfa.ca.gov › taxes-and-fees › rates
31
Location Rate County:
Acampo 7.750% San Joaquin
Acton 9.500% Los Angeles
Adelaida 7.250% San Luis Obispo