 
 <prompt> Martin ya tafi kasuwa don samar da sabon wayar hannu. Ya nuna cewa ba zai iya baya da $1,000 ba kuma mai jiran ya bada masa TV don $100 baya da 20% baya. Shin yau da gudanar da sabon wayar hannu ya fi yawan baya daga abin da Martin ya nuna? <response>: ```Na bai wa mai sayarwa shi TV a kan 1000 - 100 = $900.
Gudanar da murabba'in a kan televishin shine 900 * 20/100 = $180.
Sabon sabon sauki na televishin shine 900 - 180 = $720.
Martin ya samu damar sayar da 1000 - 720 = $280.

Javaba na farko: 280.``` 