For purchases between $100 and $149.99 (before taxes), get a $5 discount applicable on the carrier of your choice. For purchases over $150 (before taxes), get a minimum discount of $10 applicable on the carrier of your choice. Every additional dollar spent after the $150 will give you a 5% additional discount, up to free shipping or a maximum discount of $50.00.
Ex: For an order of $190.00 (before taxes): the customer gets a base discount of $10.00 and gets an additionnal $2.00 discount (5% of $40.00), for a total savings of $12.00 on the chosen carrier.
