QUES: Are already starting to check it 99 Euro for smaller boats ADAC members receive three percent discount

correct the punctuation.

CORRECTED: Are already starting to check it 99 Euro for smaller boats. ADAC members receive three percent discount.

QUES: However occasionally they may encounter some logical problems leading to loss of digital data

correct the punctuation.

CORRECTED: However, occasionally they may encounter some logical problems leading to loss of digital data.

QUES: Before you can open a TBB file youll need to figure out what kind of file the TBB file extension refers to

correct the punctuation.

CORRECTED:
Before you can open a TBB file, you'll need to figure out what kind of file the TBB file extension refers to.