Combobox & Time Difference issue

Hello,

I am seeking help to dispaly the value from sheet into text box. Here are the details.

When i select any item from combobox then the fax number should show in textbox2 for that perticular selected item i.e. Provider Fax No.

If possible i need day and time difference in frame 1 fields i.e. turnaround time frame.

Sample sheet is attached for your refference.