Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: Taxpayers may have lost out on about £1bn from the undervaluing of Royal Mail, a committee of MPs has said.

Taxpayers 'lost £1bn' on Royal Mail sale, MPs say