You are required to calculate the variable cost per service and Fixed costs per month
for a car washing centre situated in California by using Least-Squares Regression. Data is given below
Month	# of cars	Total
	washed	Cost
1	2,500	$ 11,800
2	2,500	$ 13,500
3	2,800	$ 12,600
4	3,100	$ 15,500
5	3,700	$ 17,000
6	5,200	$ 24,900
7	5,600	$ 23,000
8	5,700	$ 24,200
9	4,800	$ 23,600
10	4,900	$ 23,500
11	2,300	$ 11,500
12	3,100	$ 17,000
REMEMBER NOT TO SOLVE BY HIGH-LOW METHOD

ALL INFO IS ATTACHED WITH COSTS