math vocab

2. the amount added to the cost price of goods to cover overhead and profit.
4. a tax on sales or on the receipts from sales.
5. deduct an amount from the usual price of something.
6. a rate, number, or amount in each hundred.
9. a number times a number
10. reduction in price
12. the rate of increase
15. a bill
16. money paid regularly at a particular rate for the use of money lent, or for delaying the repayment of a debt.

1. where money is kept
3. taking away for a number
7. all number added together than divided
8. a commercial document used to request someone to supply something in return for payment and providing specifications and quantities
11. receipt
13. combining two numbers together
14. day that money is due