Finish other Freelancers work freight integration

I have a great Freelancer whom does allot of work for me he has completed integrating Australia Post API onto a website I am building for me [login to view URL] however somewhere I think with the plugin something has gone wrong let me explain.

Freight is generated correctly for 1 product for example if you go to this product [login to view URL] then checkout then select "Calculate Shipping" Make sure "Australia" is selected and then enter Victoria as the dropdown option then City is Jan juc and postcode is 3228 and press UPDATE TOTALS you will see the correct shipping price for that product is displayed Flat Rate: $13.11

If you now add 5 more of the same product total 6 products the freight still shows as $13.11 this IS NOT CORRECT should be different price. Somewhere for some reason it is not adding the product number X weight when more than one bottle is entered. In the back end the product I have suggested looking at I have set the weight to 2KG if I change this weight and then checkout with 1 product the new updated price shows but as soon as more than 1 product is added it does not calculate these extra products X weight and only shows the 1Xproduct weight no matter how man products I enter.

The system being used is Word Press and the plugin for the online shop is WooCommerce. My current Freelancer was going to fix this for $15 however he has big storm and no computer access and cannot complete today I need this done within 1 - 3 hours tops.

Please only bid on the project if you can complete within 1 - 2 hours. I do not want to spend more than $30 even if you can fix in 20 minutes I am happy to pay this. Only bid if you can fix the issue.

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