7. Kim starts working for a company.
- In year 1 her annual salary will be \(\pounds 16200\)
- In year 10 her annual salary is predicted to be \(\pounds 31500\)
Model \(A\) assumes that her annual salary will increase by the same amount each year.
- According to model \(A\), determine Kim's annual salary in year 2 .
Model \(B\) assumes that her annual salary will increase by the same percentage each year.
- According to model \(B\), determine Kim's annual salary in year 2 . Give your answer to the nearest \(\pounds 10\)
- Calculate, according to the two models, the difference between the total amounts that Kim is predicted to earn from year 1 to year 10 inclusive. Give your answer to the nearest £10