how will a graph illustrate both technologies and 4 isocost curves, Cost_A@P1, Cost_A@P2, Cost_B@P1, and Cost_B@P2, Label all axes, intercepts, and curves.

Technology	Number of workers	Tons of Coal	Total Cost
P1	P2
A	8	4	160	120
B	2	6	140	80

Under the set of prices in the first period (P1), the daily wage is 10 and the price of a ton of coal is 20. Under the set of prices in the second period (P2), the daily wage is 10 and the price of a ton of coal is 10.

P1: Wage= 10; Coal= 20

(A) Total Cost= (8x10)+(4x20)= 80+80= 160

(B) Total Cost= (2x10)+(6x20)= 20+120= 140

P2: Wage= 10; Coal= 10

(A) Total Cost= (8x10)+(4x10)= 80+40= 120

(B) Total Cost= (2x10)+(6x10)= 20+60= 80