# Rates section

## Type of calculation

<table><thead><tr><th width="197">Option</th><th>Explanation</th></tr></thead><tbody><tr><td>Replace</td><td>A rate will be replaced with a new one</td></tr><tr><td>Discount percent</td><td>Specified percentage will be discounted from the shipping fee</td></tr><tr><td>Surcharge percent</td><td>Specified percentage will be added to the shipping fee</td></tr><tr><td>Don't replace</td><td>Shipping fee will not change</td></tr><tr><td>Discount fixed</td><td>Specified amount will be substracted from the shipping fee</td></tr><tr><td>Surcharge fixed</td><td>Specified amount will be added to the shipping fee</td></tr></tbody></table>

## Maximum/Minimum rate

If a rate drops below, or rises above specified amount, it will be set to maximum/minimum rate.

## Cumulative rates

This parameter allows next rule to alter shipping methods that have been altered by this rule.

Furthermore, discount/surcharge will be accumulated.

### Examples

The priority of rules in following examples is A -> B -> C

Rule A applies 10% discount to shipping method FedEx\
Rule B applies 20% discount to shipping method FedEx\
Rule C applies 30% discount to shipping method FedEx and USPS

* Rule A does not allow cumulative rates.\
  \
  In this case rule B will not be applied because rule A does not allow cumulative rates. Only 10% discount will be applied.
* Rule A allows cumulative rates.\
  \
  In tihs case rule A will be applied making a 10% discount. Then rule B will be applied making another 20% discount to the result of rule A. Bringing total discount to 28%.
* Rule A allows cumulative rates.\
  Rule B doesn't allow cumulative rates.\
  \
  In tihs case rule A will be applied making a 10% discount. Then rule B will be applied making another 20% discount to the result of rule A. Rule C will not be applied because rule B does not allow cumulative discounts for shipping method FedEx.\
  A 30% discount will be applied by rule C for shipping method USPS.
* Rule A allows cumulative rates.\
  Rule B doesn't allow cumulative rates.\
  \
  In tihs case rule A will be applied making a 10% discount. Then rule B will be applied making another 20% discount to the result of rule A. Then rule C will be applied making another 30% discount to the result of rule B. Bringing the total discount to 49.6% for shipping method FedEx.\
  For shipping method USPS a 30$ discount will be applied by USPS.


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