Please choose the correct solution to the question: how do I fix the wire on the penny ?

Solution1: Put the penny on a non-conducting surface like a silicon mat, then heat the penny with an iron solder until solder starts to melt on the penny, then put the in the melted solder.

Solution2: Put the penny on a non-conducting surface like a silicon mat, then heat the penny with a hair dryer until solder starts to melt on the penny, then put the in the melted solder.

Answer format: solution1/solution2
Answer: solution1