Jessica and Jason are married, file a joint return, and have 4 dependent children. Calculate their 2016

Question:

Jessica and Jason are married, file a joint return, and have 4 dependent children. Calculate their 2016 personal and dependency deductions for each of the following independent situations:
a. Their AGI is $275,000.
b. Their AGI is $375,000.
c. Their AGI is $475,000.