Month	TOTAL COST	X1($45)	X2($90)	X3($60)	X4($105)
1	23000	30	100	205	75
2	25000	38	120	180	90
3	27000	50	80	140	150
4	19000	20	90	120	100
5	20000	67	50	160	80
6	27000	90	75	210	105
7	25500	20	110	190	110
8	21500	15	120	175	80
9	26000	60	85	125	140
10	22000	20	90	100	140
11	22800	20	70	150	130
12	26500	72	60	200	120

a) use multiple regression analysis to determine the unit cost of earch procedure (x1-x4). how much variation in monthly cost is explained by your cost esimating equation? b)evaluate the rates proposed by the local business. assuming south town has excess capacity and no employees of the local business currently patronize the clinic, what are your recommendations regarding the proposal? C evaluate the rates proposed (x1$45 - x4$105) by the local business. assuming south town is operating at capacity and would have to turn current customers away if it agrees to provide health services to the local business, what are your recommendations regarding the proposal