A company wants to forecast the sales for its product using linear regression. The company has collected data for the last 8 months, and the sales for each month and the corresponding marketing expenses are given below:

Month	Sales	Marketing Expenses (in $)
1	600	1000
2	620	1200
3	650	1300
4	680	1400
5	720	1600
6	750	1700
7	780	1900
8	800	2000

The company wants to use marketing expenses as a predictor variable to forecast sales for the next month. Use linear regression to estimate the relationship between sales and marketing expenses and forecast the sales for the next month if the marketing expenses are $2200.

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