Providing express checkout lane$($s$)($e$.$g$.,$ eight items or less$)$ in a grocery store is an

example of

segmenting the customer

training the employee

diverting customer's attention

caring for impatient customerProviding express checkout lane$($s$)($e$.$g$.,$ eight items or less$)$ in a grocery store is an

example of

segmenting the customer

training the employee

diverting customer's attention

caring for impatient customer