Tax based on bill total

[QMcKay]

I get what you are saying @sukasem. But I am just trying to make it work with 5% and (+8) 13% when plain total greater than 4, and excluding non-Tax Products, as per OP.

I found that it was not applying calculations properly, so changed to a Custom Calculation …

Revised Calculation (Custom):

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Script for Custom Calculation:

Handler must be: Calculation_<calculationTemplateName> …

Script:

result = (Ticket.PSum + Ticket.PreSum - Ticket.Tax) * 0.08

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Revised Action:

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Revised Rule:

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REFERENCE:

@emre

Change Calculation Type as Custom and enable Tax Included

Create a new Script and type Handler as: Calculation_[CalculationTemplateName].
So if your calculation template name is “Service” then Handler should be: Calculation_Service

Add this into Script area. Update 0.08 with your rate.

result = (Ticket.PSum + Ticket.PreSum - Ticket.Tax) * 0.08