Please capitalize where necessary: for example, if the trader has informed you that delivery is delayed by one week because of problems with his suppliers you should consider giving him an extra week.
A: For example, if the trader has informed you that delivery is delayed by one week because of problems with his suppliers you should consider giving him an extra week.

Please capitalize where necessary: then the new outlook seems perfectly natural.
A: Then the new outlook seems perfectly natural.

Please capitalize where necessary: to begin your free file analysis, simply drag-and-drop your bac file inside the dotted lines below, or click "browse my computer" and select your file.
A: To begin your free file analysis, simply drag-and-drop your BAC file inside the dotted lines below, or click "Browse My Computer" and select your file.

Please capitalize where necessary: rarely, concerningthe human thought, has a theoretical problem been recognized so clearly - and solved with such a striking acuteness...".
A:
Rarely, concerningthe human thought, has a theoretical problem been recognized so clearly - and solved with such a striking acuteness...".