QUES: The software shows all the lost and deleted data from your selected eSATA hard drive choose the files which you want to retrieve back

correct the punctuation.

CORRECTED: The software shows all the lost and deleted data from your selected eSATA hard drive, choose the files which you want to retrieve back

QUES: By adding these two costs together we can derive the total cost

correct the punctuation.

CORRECTED: By adding these two costs together, we can derive the total cost.

QUES: Lettere topbestigning i Island

correct the punctuation.

CORRECTED:
Lettere topbestigning i Island?