Here is the zip file - First you have to install it from ''Plugins'' and after that several settings are needed.
To download the plugin, open the link - https://drive.google.com/file/d/1ZqCSX5C8mnpXJF39rN27W6B5t9Azrr9z/view?usp=sharing
1. Settings - orderadmin Delivery -> Put the prices
2. Woocommerce -> settings -> shipping -> has to be zone: Bulgaria
3. On the same page, click add shipping method and select Orderadmin delivery
4. Again on this page - Once selected, it must be activated.
There is a setting for using custom prices for weight.
In the WordPress menu -> Settings -> Orderadmin delivery
*example table with rates