o Exogenous budget constraint. Consider a consumer who spends her income Y on positive amounts of three goods, 3:1, 2:2, and $3. In one sentence (of your own) explain why, if p1 rises, 33 must fall, if 321 and 3:2 are held constant. 0 Endogenous budget constraint. In the endogenous budget constraint case from the Week 1 lecture notes, with 2:1 held constant, show that 3:- = 0 only if $1 = 571. o Rational preferences. In no more than 3 lines, explain why the following prefer* ence map, in which I 1 and 12 touch at point (i.e. bundle) e, is not consistent with our rules for rational preferences. (You can modify the diagram if you like.) M