The 2014 wage base for Missouri unemployment is $13,000. Therefore, the first $13,000 in wages per employee is taxable at your designated rate.
Make sure you have a W-9 form on file for all independent contractors. Any contractor that has yearly earnings of $600 or more should be sent a form 1099 at the end of the year. If you are unsure whether the individual is an employee or independent contractor, read the following:
Each new employee hired should fill out one of each of the following forms. The W-4 forms should be updated anytime the employee changes address or wants to change their filing status.
Deduct 6.2% of gross earnings for social security
Deduct 1.45% of gross earnings for medicare
Deduct Federal Tax Withholding: Tables (pg 45-66)
Deduct Missouri Tax Withholding: Tables (scroll down) or Withholding Calculator