Please choose the correct ending to complete the given sentence: Work World: [header] How to give back correct change [title] Make sure the change you give and the price of the product together add up to the cash the customer gave you. [step] You want the customer to leave with the same value they gave you, only now part of that value will be the product, and the rest change. It's that simple.

Ending1: [title] Provide the customer with a certified check from irs express and similar access to all of the locations where the item is sold. [step] This check will contain all of the transactions at the time of account transfer. Ending2: [title] Talk to your customer at the end of the transaction to find out what the difference would be. [step] This could be at any place, at any time-or even anywhere at all in the transaction. Ending3: For example : [substeps] If they gave you $20 to buy a $5 book, they will leave with $5 worth of book plus $15 worth of change, for a total value of $20. [title] Add up the amount the customer gives you. Ending4: [title] Balance the amount of change you give. [step] Commonly, the size and quality of your product is measured in pounds, without limitations on actual cost.

Answer format: ending1/ending2/ending3/ending4