Color of Diff Oil. I replaced my differential fluid at 60k miles, I'm now at 71k and today when getting my oil changed the guy showed me the oil and it was dark brown in the rear while the front was still the clearish-yellow like it was when I put them in.
The average tax rate is the tax rate you pay when you add all sources of taxable income and divide that number into the amount of taxes you owe. In other words, you can calculate your average tax rate by dividing your total tax obligation by your total taxable income.
So now we know that the tax rate assigned to your bracket isnât the rate you pay on all your income. Your effective tax rate is a weighted average of the different tax rates that apply to your income. For example, if your marginal tax rate is 25%, your weighted average, effective tax rate is about 14.5%. Tax Exemptions.