$5320000 is the total tax benefit.
Explanation:
The following calculation is to be made in order to calculate the total tax benefit as a result of the year 3 NOL is:
Total tax benefit as a result of the year 3 NOL = ( 10,000,000 plus 4000000) multiply with 35 percent plus ( 2000000 multiply with 21 percent)
After calculating the above linear equation ,we get, $5320000
Therefore, the total tax benefit that Hammaker will record in the books of accounts will be $5320000.