front 1 interest | back 1 added to the balance of the loan, credit card, or bank paid to the lender |
front 2 markup | back 2 amount added to the price of an item so the seller makes a profit paid to the seller |
front 3 markdown | back 3 subtracted from the price of an item benefits the customer |
front 4 commission | back 4 subtracted from the payment the store collects paid to salesperson |
front 5 sales tax | back 5 add to the price of the item paid to the government |
front 6 gratuity | back 6 added to the cost of the meal paid to the server |
front 7 percent increase | back 7 how much a quantity went up |
front 8 percent decrease | back 8 how much a quantity went down |