Getting Error in Web.config file

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IIS7

C#

ASP.NET

IIS

WebConfig

I have configured my website to IIS but I am getting Configuration Error.
I have also uploaded same project but at that time there were not occured any error.

This is code in my web.config file :

<?xml version="1.0" encoding="UTF-8"?>
<!--
  For more information on how to configure your ASP.NET application, please visit
  http://go.microsoft.com/fwlink/?LinkId=169433
  -->
<configuration>
  <configSections>
    <section name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup" />
  </configSections>
  <system.web.extensions>
    <scripting>
      <webServices>
        <jsonSerialization maxJsonLength="500000000" />
      </webServices>
    </scripting>
  </system.web.extensions>
  <system.webServer>
    <defaultDocument>
      <files>
        <add value="Index.aspx" />
      </files>
    </defaultDocument>
  </system.webServer>
  <connectionStrings>
    Connection String
  </connectionStrings>
  <system.web>
    <sessionState timeout="60"></sessionState>
    <trust level="Full" />
    <securityPolicy>
      <trustLevel name="Full" policyFile="internal" />
    </securityPolicy>
    <compilation debug="true" targetFramework="4.0">
      <assemblies>
        <add assembly="System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />
        <add assembly="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
        <add assembly="mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
        <add assembly="System.Speech, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
      </assemblies>
    </compilation>
    <pages>
      <controls>
        <add src="~/UserControls/Chart.ascx" tagName="Chart" tagPrefix="MAS" />
      </controls>
    </pages>
  </system.web>
  <system.serviceModel>
    <bindings />
    <client />
  </system.serviceModel>
</configuration>

I am getting Following Error :

Configuration Error

Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. 

Parser Error Message: Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive.

Source Error: 


Line 38:       <trustLevel name="Full" policyFile="internal" />
Line 39:     </securityPolicy>
Line 40:     <compilation debug="true" targetFramework="4.0">
Line 41:       <assemblies>
Line 42:         <add assembly="System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />

Displaying Error in 40th Line in above code...
If anything is remaining please tell me....
Please help me...