Inflation can come from the demand side or from the supply side of the economy

Which of the following will cause a reduction in the amount of money individuals wish to hold?

A) an increase in income B) an increase in the interest rate C) an increase in the price level D) all of the above

Refer to the table above. If Jack has an annual income of $50,000 and Jill earns $77,500, which of the following is true?

A) Jack and Jill pay an equal amount of tax. B) The average rates of tax paid by Jack and Jill are equal. C) The marginal tax rate for Jack is higher than the marginal tax rate for Jill. D) Jack and Jill fall in the same tax bracket.