Minor brick work needed

Hi. I’m trying to get my elderly neighbor’s front-yard wall repaired. Just wondering what a reasonable cost would be to do it. Please see pics. TIA. [5D415D16-129E-429C-B3F3-A0FCC45570EB](//muut.com/u/brownstoner/s1/:brownstoner:abbh:5d415d16129e429cb3f3a0fcc45570eb.jpeg.jpg) [231AA0ED-87E9-4108-A5E6-D3ACCC07ABAD](//muut.com/u/brownstoner/s1/:brownstoner:lBNo:231aa0ed87e94108a5e6d3accc07abad.jpeg.jpg) [3E60FF47-3025-4AED-AAA8-1A21E1B93D65](//muut.com/u/brownstoner/s1/:brownstoner:qjis:3e60ff4730254aedaaa81a21e1b93d65.jpeg.jpg) [511BD16E-6EA3-4504-B680-FA117A87FACC](//muut.com/u/brownstoner/s1/:brownstoner:VB8a:511bd16e6ea34504b680fa117a87facc.jpeg.jpg)