Hugh, a self-employed individual, paid the following amounts during the year 2020:

Real estate tax on Texas residence $2,000

State income tax withheld 1,500

Additional state income tax paid when filing his 2019 tax return 600

Real estate tax on a rental property 2,000

State sales taxes 900

State motor vehicle tax (based on the value of personal use automobile) 400

Sidewalk special assessment 2,000

Federal income tax 5,000

Self-employment tax 1,000

Gambling loss (gambling winning is $100) 1,000

What is the maximum amount Hugh can claim as taxes in itemizing deductions from AGI?