USPS provides a different kind of services which are suited for different needs of the customer. The customer can select the best-suited service.
– Price Adjustment ($): Using price adjustment you can manage price from the actual shipping price. That is by adding and subtracting the amount. You can use the minus sign to subtract the amount.
– Price Adjustment (%): You can manage the amount in % by adding the amount in each service.
Save the service then you can see these service on cart and checkout page