Request header field Access-Control-Allow-Origin is not allowed by Access-Control-Allow-Headers in preflight response. Cant make Post call - xmlhttprequest

Question

I am trying to make a post XMLHttpRequest from a host to different host.I am able to make OPTIONS and it is returning 200 code.
Options Call Information:
Response Headers:
Access-Control-Allow-Credentials:true
Access-Control-Allow-Headers:Origin, X-Requested-With, Content-Type, Authorization, Accept
Access-Control-Allow-Methods:GET, POST, PUT, DELETE, OPTIONS, PATCH
Access-Control-Allow-Origin:http://localhost
Cache-Control:must-revalidate, no-cache
Content-Length:0
Date:Wed, 13 Dec 2017 08:44:42 GMT
Server:Microsoft-IIS/10.0
Request Headers
Accept:/
Accept-Encoding:gzip, deflate
Accept-Language:en-US,en;q=0.9
Access-Control-Request-Headers:access-control-allow-headers,access-control-allow-origin,content-type
Access-Control-Request-Method:POST
Connection:keep-alive
Host:"someHostAddress"
Origin:http://localhost
User-Agent:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36
And I am getting this error after that and I am not able to make a post call.
My Headers :
xhr.setRequestHeader("Access-Control-Allow-Headers", "Access-Control-Allow-Headers,Origin,Content-Type,Accept");
xhr.setRequestHeader("Access-Control-Allow-Origin", "*");
xhr.setRequestHeader("Content-type", "application/json");
Request header field Access-Control-Allow-Origin is not allowed by Access-Control-Allow-Headers in preflight response.
Thanks in advance.