So, first ask your dentist. Then, google it. Then, go to the store and get some instant spuds (Idahoan is my fav'), and make it with too much milk and water. In other words, make some soup that will solidify in your stomach but go down easier.
Another purpose of a paycheck stub is to ensure that an employee is aware of deductions made for tax purposes or benefits. These will typically be shown separately for each deduction, such as federal taxes, state taxes, health benefits, and retirement programs.
A $0 paycheck happens because the amount of tips reported plus the $2.13 are needed to pay taxes. You are taxed on your tip income as well as your hourly wage. There are several ways the government can raise revenue. Individual income tax which accounts for 40%, Corporate Tax 10%, Payroll tax 33%, and excise tax 4%.