Hello, please help me with this, I continue to get it incorrect.

1. The roles of money Kenji has saved $30 per week to buy a new Blu-Ray player. He compares two different models: a Panaview that is priced at $130 and a Zony model that is priced at $140. Kenji decides to purchase the Zony Blu-Ray player for $140. Identify what role money plays in each of the following parts of the story. Hint: Select each role only once. Role of Money Kenji saved $30 per week. Kenji pays $140 for the Blu-Ray player. Kenji can easily determine that the Panaview model has a lower price than the Zony model. Medium of Exchange o o o Unit of Account o o o Store of Value o o o