Retirement tax questions

Do you need the MAGI  for the new 6,000 Enhanced Senior Deduction?  See Schedule 1-A top lines 1-3 to figure the MAGI for Schedule 1-A including tips and overtime. 
https://www.irs.gov/pub/irs-pdf/f1040s1a.pdf

 

SS 6000 AGI.jpg

 

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