just give me the answer please thanks

There are two people advertising used lPads on Craigslist. One of the potential sellers is offering a prefectly good lPad and the other one has a bad lPad. You are planning to buy a used lPad but are not able tell which seller has the good lPad and which has the bad lPad. You will only learn whether you have a good or bad lPad after you have bought it. You do know that the seller of a good lPad would be willing to sell it for any price greater than $500 dollars and while the seller with the bad lPad would sell for any price greater than $300. Which of offer below would credibly signal that a seller was had the good lPad? 0 They offer to sell the lPad for $700 dollars and offer a warranty of $200. 0 They offer to sell a lPad for $700 dollars and offer a warranty of $400. 0 They offer to sell a lPad for $500 dollars and don't offer a warranty. 0 They offer to sell the lPad for $300 dollars and don't offer a warranty. 0 They offer to sell a lPad for $500 dollars and a warranty of $50