Retirement tax questions

LOOK at the return ...

 

SE taxes would have been assessed on the sch C profit and federal taxes only on the taxable income

... a simple example = 

 

Sch C profits  on $30K  x .153 = $4590  

Fed tax  on $11,000 x 10% = 1100

 

4590+1100= 5690  

5690 divided by 11,000 = 52%