| ⇢ | B | ShoppingService::processPurchase() added | |
| ⇢ | A | ShoppingService::sendOrderMail() added | |
| ⇢ | A | ShoppingService::calculatePrice() added | |
| ⇢ | A | ShoppingService::setOrderStatus() added | |
| ⇢ | A | ShoppingService::notifyComplete() added | |
| ⇢ | A | ShoppingService::setOrderUpdateData() added | |
| ⇢ | A | ShoppingService::setFormData() added | |
| ⇢ | A | ShoppingService::calculateDeliveryFee() added | |
| ⇢ | A | ShoppingService::setDiscount() added | |
| ⇢ | A | ShoppingService::isDiscount() added | |
| B | ↗ | A | ShoppingService::getAmount() improved |
| C | ↘ | D | ShoppingController::confirm() got worse |