Question 4ai (2 marks): What does the acronym 'NIM' stand for? Question 4aii (3 marks): What is the formula for how the NIM is calculated? Question 4b (4 marks): In

2005, profits were $10b and the ROE was 17%.In 2019, profits are $16b and the ROE is 12%. Calculate the increase in equity. Question 4ci (2 marks): hat are the units of 'Profits'?Billions of dollars, Billions of dollars per year, Years, or Years per billions of dollars Question 4cii (2 marks): What are the units of 'Return on equity percent'?Dollars,Dollars per year, Per year,Years,Pure number.