Help with any inquire

-- url of the page with the problem -- : 99store.com.br
-- HikaShop version -- : 2.6.4
-- HikaMarket version -- : 1.7.2
-- Joomla version -- : 3.6.4
-- PHP version -- : 5.4.45
-- Browser(s) name and version -- : chrome

1. When and where a vendor specifies that the product has a free delivery or paid delivery.

2. If there is paid delivery, then as you said that it will be calculated according to the postal codes. Please specify the logic behind the delivery charges calculation with a clear example.

3. If a user creates a cart with 3 items and all 3 are from different vendors, then how vendors will be notified (which data will be reflected) and how delivery charges will be calculated.

4. How the successful payments are stored, including the both payments that are released to the vendor or are pending to release.

5. If a product delivery is chargeable, where and when the user will specify the delivery charges details about the product.

6. What is partnership program, how it is managed/stored in the database.
[7/12/16, 04:27:50] Bodacious IT Hub: 7. During payment process if any problem occurs or user unable to pay then what action needs to be done. ( Right now the cart is converted into order when any error aswell)
[7/12/16, 04:28:22] Bodacious IT Hub: 8. What changes need to be done in Order Status change process.

7. During payment process if any problem occurs or user unable to pay then what action needs to be done. ( Right now the cart is converted into order when any error aswell)
8. What changes need to be done in Order Status change process.