An order's grand total (sometimes referred to simply as the "order total") is the sum of all of the expenses related to the order, minus any adjustment.
calculating an order's grand total
For example, an order's grand total could be calculated like this:
Product Subtotal: $50.00
Taxes: $5.00
+ Shipping Fees: $20.00
_____________________
Order Grand total: $75.00
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