Suppose you have recorded the consumption data of a consumer over several periods as follows:

In period 1,

(p1 , p2) = (2 , 2) and he chooses: (x₁ , x₂) = (1 , 3)

what is the income he must be earning?

in period 2 and period 3, you recorded the consumption data of the same consumer again:

period 2 (p1 , p2) = (4 , 1) and he chooses: (x₁ , x₂) = (2 , 4)

period 3 (p1, p2) = (1.5 , 3.5) and he chooses (x₁ , x₂) = (3 , 3)

show that weather the consumer satisfies the Weak Axiom of Revealed Preferences (WARP) and Strong Axiom of Revealed Preferences (SARP) or not.