Помогите исправить ошибки

Each sentence has one mistake. Underline the mistake and write the correction on the line at the end.
1 Do you like to speak to the boss?
2 We could buy the cars more cheap in Poland.
3 There aren't any paper in the printer.
4. I need an information about the product.
5 She want to find a new job.
6 They usually work at Saturdays.
7 She wrote the report very good.
8 How much books did you order?
9 I have seen the customer at the weekend.
10 We should trying to visit him today.
11 It's likely that labour costs do increase next month.
12 This is a well machine. We like it.