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.
Considering the effective tax rate. Small businesses of all types pay an estimated average effective tax rate of 19.8 percent. The effective tax rate is the average rate of tax for a business or an individual taxpayer. Effective tax rate is calculated by dividing the total tax paid by the taxable income.