Write a program that allows the user to input a total dollar amount for an online shopping order and computes and outputs the shipping cost based on the following schedule:
Order Total Ship within USA Ship to Canada
Less than $50.00 $6.00 $8.00
$50.01-$100.00 $9.00 $12.00
$100.01-$150.00 $12.00 $15.00
Over $150.00 Free Free