Q1. While walking to the local electronics store, MusicLover ponders his desire for a high-end noise cancelling headset with soft leather earcups, and realizes that he would purchase it if it were priced at $150, or $180, or even $195, but not at $210. On arriving at the store, he finds that the product is priced at $170. He buys it! Based on this information, Which number is closest to MusicLover's reservation price or willingness-to-pay (WTP) for the headset