Kimmy just turned $17$ and she wishes to purchase a car to get to work. She goes to several shops and purchases a Mercedes C Class vehicle and is financing it $$600$ a month. After $2$ months she was unable to afford the car and wanted to bring the car back.

Kimmy can seek to cancel the contract because she is a $\_\_\_\_\_\_\_\_\_\_\_$ and the Mercedes is not a $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_(2$ marks$).$