Look at the graph and complete the text.

The ¹ graph shows sales ² for the last three and a half years. Three years ago sales ³ slightly and reached 100,000 units by the end of the year. The company ⁴ a profit of almost £500,000 and decided to ⁵ the price from £8.95 to £10.25. It had an immediate effect: there was a ^{6 7} in sales over the year. It was bad news, and the company made a ⁸ . And in the next year sales ⁹ the same. However, in the first two ¹⁰ of this year, they have ^{11 12} for the first time in many years.