Gevme calculates Tax on line items instead of on the total.


For example:

AttendeeTicket/ItemQtyUnit PriceTotal PriceItem DiscountTotal Item Discount7% GST
Lor JeanConference Pass150.0050.007.5042.502.98

Merchandise A110.0010.00010.000.70
Noe RayConference Pass150.0050.007.5042.502.98
TOTAL:
95.006.66
PAYABLE AMOUNT:
101.66



While Singapore accepts both calculations; some countries accept only line item calculation; hence Gevme selects the general method to accommodate all our international clients. 


Refer:
https://www.iras.gov.sg/irashome/uploadedFiles/IRASHome/e-Tax_Guides/etaxguide_GST_GST General Guide for Businesses(1).pdf