Using Raptor to answer the problem

Compute the income tax due on taxable income entered by the user, given the data as shown in the following table. Be sure to include error checking to make sure the user does not enter a negative number. Assume all entries are integer values.

Taxable Income		Tax Due
From	To
$0	$49,999	$0 + 5% of amount over $0
$50,000	$99,999	$2,500 + 7% of amount over $50,000
$100,000	...	$6,000 + 9% of amount over $100,000