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The estimated labor charge after tax can be computed by figuring out the tax rate from the total tax of the invoice. From the document, the total tax is $37.27 and the job subtotal before tax is $670.94.
Therefore, the tax rate is given by (Total Tax / Job Subtotal) = $37.27 / $670.94 ≈ 0.0555 or 5.55% (approximated).
The labor subtotal is $190.00 and labor charge after tax is given by (1 + Tax Rate) Labor Subtotal = (1 + 0.0555) $190.00 ≈ $200.45 (approximated).
Hence, the estimated labor charge after tax is about $200.45.
{"citation": "Tax: $37.27, All Jobs Subtotal: $670.94, Labor Subtotal: $190.00"}
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