A set of electric toothbrush prices are normally distributed with a mean of 878787 dollars and a standard deviation of 888 dollars. What proportion of electric toothbrush prices are between 104.60104.60104, point, 60 dollars and 108.20108.20108, point, 20 dollars?
You may round your answer to four decimal places.

Previous taxable income - 30,000
Less: Deductions - 5,000 + 350 = 5,350
New taxable income - 24,650
Multiply: Marginal tax rate - 15%
Tax - 3,697.50

1.) She lowered her taxable income by 5,350.
2.) Her taxable income now is 24,650.
3.) Her taxable income falls under the income range of 8,375 - 34,000, so her marginal tax rate is 15%.
4.) She will have to pay 3,697.50 for her tax.