Can you solve for me?

Your firm has the following data on Sales and Advertising. I want you to estimate the following regression: [removed]; specifically, what is the estimate of the slope term, [removed].
For testing purposes, I included only 10 observations. In the real world, please don’t estimate regressions with anything less than 30 observations.
Advertising
Sales
339
1103
451
921
504
1154
525
930
525
1184
529
934
543
976
549
1052
562
1266
578
1089