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Dynamic shipping Rate

Thread began 1/31/2017 4:21 am by Jose | Last modified 1/31/2017 9:28 pm by Jose | 1914 views | 8 replies


Dynamic shipping Rate

Hi there, I have created a dynamic shipping Rate with the following tuturial I found here (
It is working correctly but there's problem with the calculation. I have tried everything but I can't find the problem. The calculation look like this (subtotal = price * quantity and shipping Rate recalculate subtotal + Rate while Grand total is alterated adding price *quantity + subtotal + Rate as resuls in the cart. For example: subtotal is $200 and shipping Rate is $10 but looks 210 so Grand total is $410 but the correct should be 210. So, what can I do to resolve this issue?

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