This is my EC390 assignment 1,please help me to solve this problem.

LEc390 2020W Assignment 1.pdf IA 1 Intro... Ch13_... Chapt... Ec390... X Ec390... Ec390... Chapt... Chapt... ? H X + 122% marginal income before the tax change and in the second case the consumer pays t2 on her marginal income before the tax change. 2. Suppose the representative consumer's preferences change in the following way. When 52 C > 1, MRSt,c increases and when C I and when the optimal choice before the preference change had C (? H X /1 + 122% 1. Suppose that the representative consumer faces a progressive wage income tax. That is, the representative consumer pays a proportional tax to on each unit of real wage income up to x, and then pays a proportional tax t2 on each unit of real wage income greater than a with t1