The diagram consists of 4 main elements such as people, process,
measurement and information. The $25 tip error has occurred has
raised some concerns. This case represents the following
information with respect to possible causes of the $25 tip service
upset.
- The customer is responsible for tip properly, add the bill ,
write legibly, retain the second bill & drink alcohol
responsibility.
- The employee is responsible for the type the bill details in
register correctly, Go back to the customer if the tip is not
readable & verify the correct amount.
- The manager in the restaurant is responsible for investigate
the store's receipt history & transactions , audit the source
of errors like miss typed decimals or extra zero, and contact the
customer or credit card company to solve the issue.
- The credit card company is responsible for providing the
records of the electronic transactions and help to resolve the
issue.
The possible list of cause that could be a root cause of this
mistake
- Customer mistakenly wrote the wrong tip amount &
handwriting is not clear.
- Customer does not remember the tip he left.
- Credit system is out of date and caused the transaction
error.
- Employee typed wrong amount when typing the tip amount.