Please show work

The following data were collected for 12 months using a company's sales reports. The report shows, for each month, the amount of money the company spent for advertising (x) and the amount of sales (y) made after those advertising expenditures. Both the advertising and sales dollars are in units of thousand dollars. The Chief Executive Officer of the company is interested in the impact of the advertising spending on the actual sales. Monthx 52 4,670 2 58 5,310 69 6,320 75 7,080 7,210 7,040 7 78 6,590 65 5,520 54 4,640 10 48 4,000 41 2,840 1242 3,170 83 82 (a) Provide the scatter plot for advertising vs sales dollars with the trend line. (4 points) (b) Obtain a linear regression line for the data. (Hint: You need to calculate a and b to get the linear regression equation: y= a + bx) (8 points) (c) Predict the sales figures in months 13 and 14 if the advertising budgets allocated for months 13 and 14 are $35,000 and $40,000, respectively. (6 points)