You are responsible for laptop marketing in a technology company that sells multiple products including laptops, tablets, and smart phones. You suspect that tablet, and maybe even smart phone sales are cannibalizing laptop sales.

You were able to recover historical pricing information of tablets and smart phone and youve tabulated that data next to your promotion data as indicated below. Using a linear regression on the data, with which products does your laptop compete? (You can Copy and Paste the following table into an Excel spreadsheet.)

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Promo	Advertising	Laptop price	Competitors Price	Tablet Price	Smart Phone Cost	Laptop Sales
1	$566,000	$949.90	$949.90	$669.31	$395.25	$31,573,575.00
2	$479,000	$999.50	$919.50	$675.35	$342.65	$25,706,905.60
3	$387,000	$949.90	$909.90	$658.17	$342.01	$25,925,936.74
4	$450,000	$959.50	$939.50	$607.87	$354.72	$26,764,715.85
5	$556,000	$969.50	$959.50	$662.21	$382.31	$30,582,947.78
6	$377,000	$909.90	$939.90	$644.95	$302.90	$28,482,132.59
7	$560,000	$919.90	$979.50	$610.00	$397.12	$33,035,821.67
8	$490,000	$969.90	$969.90	$670.53	$381.64	$30,288,367.15
9	$468,000	$979.90	$989.50	$697.95	$305.05	$30,028,024.77
10	$418,000	$969.90	$979.50	$626.88	$330.82	$27,970,713.01
11	$529,000	$939.90	$979.50	$614.28	$389.96	$31,573,325.26
12	$467,000	$969.50	$949.90	$651.07	$386.92	$28,529,106.21
13	$505,000	$949.90	$969.90	$696.99	$393.73	$32,279,447.08
14	$561,000	$989.90	$979.50	$696.96	$347.40	$30,930,369.85
15	$532,000	$919.90	$959.90	$677.80	$302.31	$32,003,013.64
16	$494,000	$969.50	$919.50	$613.88	$351.06	$26,056,098.32
17	$582,000	$989.90	$919.90	$672.36	$374.32	$28,070,460.18
18	$544,000	$909.50	$959.50	$660.82	$334.64	$32,753,676.90
19	$479,000	$969.90	$959.50	$624.17	$348.54	$28,059,305.80
20	$547,000	$949.90	$939.50	$695.83	$389.92	$31,349,320.67
21	$554,000	$899.50	$909.50	$638.72	$399.53	$31,179,336.99
22	$468,000	$929.50	$969.50	$638.45	$321.38	$30,414,727.61
23	$566,000	$939.50	$919.90	$692.70	$352.42	$30,574,464.89
24	$466,000	$919.50	$969.50	$675.76	$384.66	$32,583,636.82
25	$457,000	$939.50	$909.90	$687.73	$329.24	$28,057,780.90
26	$617,000	$929.50	$949.50	$667.16	$377.91	$33,069,001.13
27	$533,000	$929.90	$979.90	$622.23	$321.71	$31,447,855.27
28	$481,000	$919.50	$909.50	$644.90	$338.68	$28,458,273.52
29	$612,000	$929.50	$929.90	$698.15	$329.85	$32,110,126.68
30	$623,000	$949.90	$919.90	$619.30	$338.16	$28,955,339.62
31	$434,000	$929.90	$979.50	$687.58	$320.32	$31,560,759.95
32	$475,000	$919.50	$909.90	$694.34	$352.13	$29,805,304.68
33	$502,000	$989.50	$959.50	$622.03	$374.83	$27,706,275.90
34	$609,000	$899.50	$929.90	$632.89	$328.37	$31,982,078.58
35	$366,000	$909.90	$969.50	$653.22	$336.58	$30,392,576.34
36	$542,000	$939.90	$929.50	$608.33	$375.89	$28,919,121.82
37	$582,000	$989.90	$919.90	$672.36	$374.32	$28,059,305.80
38	$544,000	$909.50	$959.50	$660.82	$334.64	$31,349,320.67
39	$479,000	$969.90	$959.50	$624.17	$348.54	$28,070,460.20
40	$547,000	$949.90	$939.50	$695.83	$389.92	$32,753,652.49

Question 18 options:

	Competitor's laptop.
	Our tablets.
	Our smart phones
	Competitor's laptop and our tables, but not our smart phones.
	Competitor's laptop, our tables, and our smart phones.

Please select the best answer from the options