Give the step-by-step reasoning process and then the final answer. Ping pong balls sell for $.10 each. Johnny buys 10000 for a prank. He gets a 30% discount for buying in such large bulk. How much does he pay?
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The ping pong balls cost 10000 * .10 = $1000. So the discount is 1000 * .30 = $300. So he pays 1000 - 300 = $700.
The final answer: 700.
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