Term
Example
(TAX Exclusive)
Example
(TAX Inclusive)
Comment
Item 1 Original Price   $ 100.00  $ 100.00
Original Selling Price
Item 1 Discount 10% OFF    
10% OFF
Discount by percentage
Item 1 Sales Price   $ 90.00  $ 90.00
Price of item after item discount
Item 2 Original Price    
$50.00
$50.00
Original Selling Price
Item 2 Discount
$5.00 OFF
$5.00 OFF
Discount by Value
Item 2 Sales Price    
$45.00
$45.00

Gross Sales
 $ 135.00  $ 135.00





Service Charge (%)
(Tax Before Discount)
10% 10%
by Percentage only
Gross Service Charge
(Tax Before Discount)
 $ 13.50  $ 13.50





Gross Sub Total  $ 148.50  $ 148.50
Gross Sales + Gross Service Charge




Bill Discount (%) 20% 20%
by Percentage only
Bill Discount   $ 29.70  $ 29.70
Note: Bill Discount & Item Discount are different.




Net Sales
 $ 108.00
 $ 108.00
Total Sales after Bill Discount
(for TAX inclusive, this will include the TAX)
Net Service Charge 
(Tax Before Discount)
$ 10.80
$ 10.80
Service Charge after Bill Discount
(for TAX inclusive, this will include the TAX)
Net Sub Total    
$ 118.80
$ 118.80
Gross Sub Total - Bill Discount




GST (%)
(Tax)
7% [ 7 % ]

GST 
(Tax)
$ 118.80 * 7%
= $ 8.32 ( 8.316 )
$ 118.80 * 7% / 107%
[ $ 7.77 ($7.772) ]





Net Sales (without TAX)
$ 108.00
$ 100.93

Net Service Charge (without TAX)
(Tax Before Discount)
$ 10.80
$ 10.10

Net Sub Total (without TAX)
$ 118.80
$ 111.03





GROSS  $ 127.12
$ 118.80





ROUNDING [#1]  $ 127.00 $ 119.00
Round to $0.50




TENDER  $ 200.00 $ 200
Amount of Money Given by Customer to Cashier




CHANGE  $ 73 $ 81.00
Amount of Money Return by Cashier to Customer




RECEIVED / PAYABLE  $ 127.00 $ 119.00
Actual Amount of Money Received by Cashier




Over Pay / Short Pay  - $ 0.12 $ 0.20
Amount of Money Received different from GROSS
If +ve is known as Over Pay
If -ve is known as Short Pay


Note 

#1 - The Rounding rule for RECEIVED amount can be changed - http://support.foodzaps.com/solution/articles/5000646734-q-how-to-configure-rounding-for-billing-total-