To calculate federal income tax, you need to first estimate your adjusted gross income (AGI). Then, estimated taxable income is determined by subtracting allowable deductions and exemptions from AGI.
Get Directions. 1  Barnes Field House Phone. 520-533-3858. 2  Barnes Field House Website. Barnes Field House Website. 3  Mon. 0500 - 1800.  Hours Info. Holiday Pool Hours 0800-1700.
Our office is open from 8:00 a.m. to 4:30 p.m., Monday through Friday, except on holidays. Our phone number is: 615-862-6080. Our office entrance is second door on the left just inside the entrance area on the second floor of the Howard Office Building in the Fulton Office Complex at 700 2 nd Ave. S. A map is available here.