Simone Flew from Edmonton, Alberta, to London, England, Two Days

question 63

Multiple Choice

Simone flew from Edmonton, Alberta, to London, England, two days ago. Since then, she has been feeling sleepy during the day but has had difficulty sleeping during the night. The probable reason for her difficulty is that

• A) airline travel has temporarily disrupted her hypothalamus.
• B) she is exhausted from sight-seeing.
• C) her body clock is not synchronized with clock time.
• D) she has eaten meals at odd hours, disrupting her digestive system.

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Definitions:

Tax Deductible Donation

A charitable contribution that can be subtracted from one's gross income, lowering the taxable income and thus reducing the tax liability.

Marginal Tax Rate

The marginal tax rate is the percentage of tax applied to your income for each tax bracket in which you qualify, essentially the rate paid on the last dollar of income.

Average Tax Rate

The proportion of total income that is paid in taxes, calculated by dividing the total taxes paid by the total taxable income.

Marginal Tax Rate

The rate at which the last dollar of income is taxed, indicating the percentage of additional income that will be taxed.