Code the processEntry() function. It should get the users entry and make sure its a valid number greater than zero. If it isnt, it should display an error message. If it is valid, it should pass the value to a function named calculateTax(), which should return the tax amount. That amount should then be displayed in the second text box. The focus should be moved to the first text box whether or not the entry is valid. 3. Code the calculateTax() function, but to start, just write the code for calculating the tax for any amount within the first two brackets in the table above. The users entry should be converted to an integer, and the tax should be rounded to two decimal places. To test this, use income values of 9275 and 37650, which should display taxable amounts of 927 and 5183.50. 4. Add the JavaScript code for the next tax bracket. Then, if you have the time, add the JavaScript code for the remaining tax brackets.

Income Tax Calculator

Enter taxable income:

Income tax owed: