1. The city is grossly undercharging companies to use the land.

2. The shop assistant has undercharged us.

3. They undercharged me by about $2.

4. The sales assistant made a mistake and undercharged me by £2.

5. He undercharged me 1 for the book/for the book by 1.

6. We undercharge Mr. Smith and have to send him a debit note for the extra amount.

7. It provides detailed monthly reports and annual summaries itemising the amount overcharged, or if appropriate, undercharged.