Create a Script to update google spreadsheet (stored in box.com) in real time from Microsoft Excel (Desktop - Windows)

Hi FL, Structure of Files: 1. Microsoft Excel (Desktop) has a sheet with a table. 2. Similar table is stored on [login to view URL] - Google Spreadsheet I am looking for the script that can help me achieve the following: 1. When the table (any row) is updated in Microsoft Excel sheet then the Google spreadsheet should get updated as well (in realtime) Note: Multiple users can make the request to update the table. Other Notes for freelancers: 1. Bid only if you can achieve the above. 2. No prior payments - will create milestone. 3. Include "Google" in your proposal or proposal will be rejected. Thanks