Find two mistakes in each sentence. Write the correct sentence.
1 There was a slightly decrease of the number of orders in the first quarter

2 After a rise, sales levelled up in the second quarter for 1,000 units a week

3 Unemployment rise but then fell again sharp in the following six months.

4 The euro went up of 0.04, at 0.78 to 0.82 pounds sterling

5 Inflation remained stably for the first two quarters of 5.4%.