Solve these 4 Economics questions

There are four questions I need help with. These four questions are important for me to understand the midterm exam, I’m very appreciate if you can provide the correct answer for me. -More details please see the attached file. -Thank you for you help. Have a good day:) This course is Macroeconomics and Financial Markets and use textbook: Macroeconomics, Fifth Canadian Edition, by Stephen D. Williams. ? Q1 relate to chapter 2 focus on GDP movement. ? Q2 relate to chapter 5- A Closed-Economy One-Period Macroeconomic Model. ? Q3 i’m not sure which chapter it relates to. ? Q5 relate to chapter 7, Please focus on this question step by step in calculation, Malthus and Solow Model. ? Only answer question 1,2,3,5—Four questions. -You can use calculator but do not use Excel to calculate, because I need all questions to solve by hands step by step. There are some formulas you can use to help work for you in calculation.

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