How to do this 5 MCQs with clear steps provided for better learning? Thanks in any advance you can give.

1) An increase in lump-sum taxes will A) make the consumption function flatter. B) shift the consumption function downward. C) make the consumption function steeper. D) shift the consumption function upward. 2) An increase in interest will A) make the consumption function flatter. B) shift the consumption function downward. C) make the consumption function steeper. D) shift the consumption function upward. 3) At an output level of $800 billion, there is an unplanned inventory change of All Numbers are in $ Billion Output Consumption Net Investment Government (Income) Spending Taxes Spending Spending 200 100 100 200 100 400 300 100 200 100 600 100 100 200 100 500 500 100 200 100 1,000 600 100 200 100 A) positive $100 billion. B) negative $100 billion. C) negative $200 billion. D) zero. The Canadian economy can be characterized by C = 500 + 0.5Yd T = 600 Equilibrium Output = $4,000 4) At equilibrium, the sum of investment and government purchases in Canada is A) $1,500. BECO1001, Section 009-010, Review Questions for Chapter 9, Dr. Qiao Zhuo, FBA, University of Macau, 2018-2019, II B) $1, 750. C) $1,800. D) cannot be determined from the given information. 5) At equilibrium, government purchases in Canada is A) $1,000 B) $1,250. C) $1,500. D) Cannot be determined from the given information