Marginal tax rate: The following table shows tax due for the given taxable income level for a single taxpayer. a. Show that the data in the table are linear. b. How much additional tax is due on each...

Marginal tax rate: The following table shows tax due for the given taxable income level for a single taxpayer.

a. Show that the data in the table are linear.

b. How much additional tax is due on each dollar over $97,000?

c. What would you expect for your tax due if you had a taxable income of $97,000? of $98,000?

d. Find a linear formula that gives tax due if your income is A dollars over $97,000.