Prod 17	C = f(x)
Output [x]	Cost(17)
100	145000
200	225000
400	245000
600	315000
800	350000
1000	370000
1200	380000

Prod 17	p = f(x)		Prod 17	x = f(p)
Demand [x]	Price [p]		Price [p]	Demand [x]
200	800		800	200
400	900		900	400
600	500		500	600
1200	600		600	1200
1600	150		150	1600
2000	50		50	2000

a. [4] derive the products linear(1^storder) trend line equation p= (x).

b. [1]identify the models coefficient of determinationits [(R²)].