AR single 93Kpwages 2Kintrec

[feenberg]

See http://taxsim.nber.org/out2psl/642

Taxable income and total credits match, but tax before credits does not.

This likely duplicates #628.

[PavelMakarchuk]

@feenberg you are right, we had an issue with the tax reduction. Fixing here:
PolicyEngine/policyengine-us#6874