Boosting Workers

[Bacchus]

Having to constantly tip an employee all day to keep them working at an efficient pace is annoying and doesn't make much sense. Would rather be able to adjust an employees wages at the PC for work speed, or maybe have different hire-able employees with different work rates and pay rates?
It bothers the hell out of me that I pay the self check out guy the same daily rate when he just stands there and maybe helps 2 or 3 customers per day while the restocker is flat out all day to the point he can't keep up, even with a $20 dollar daily bonus from tips.