Use Excel and the "IBM_Attrition_missingB.csv" file (Excel file containing another variation of the fictional employee dataset) to replace the missing "MonthlyIncome" using knn (k=3).

Data -

Age	JobSatisfaction	MaritalStatus	MonthlyIncome	YearsAtCompany
36	3	Married	7094	7
34	3	Single	2351	2
30	3	Married	5294	7
41	1	Married	16595	18
57	4	Single	14118	1
31	3	Single	3978	2
41	2	Married	6430	3
40	1	Married	8396	7
34	4	Married		6
31	4	Single	6582	6
36	4	Single	6653	1
32	2	Married	5878	7
29	1	Single	2335	2
30	3	Single	2613	10
36	1	Married	8321	12
60	1	Married	19566	29
48	4	Single	17174	22
28	2	Married		1
38	3	Married	2684	2
30	3	Single	8474	11
21	2	Single	2174	3
36	3	Married	3388	1
30	3	Single	2693	1
41	1	Married	2782	5
29	4	Single		3
38	3	Single	8740	8
30	3	Single	2064	5
29	3	Single	2642	1
36	2	Married	2810	5
36	4	Married	6201	18
25	4	Married	3229	3