$1.$Imagine that you are assigned to a team responsible for evaluating segment managers' performance measures. A team member has indicated that a friend who is a manager at a competitor's company is evaluated using ROI but does not know what ROI is$.$

$$Explain what ROI is and explain why it is important to use it in analysis.

$2.$ Measuring and evaluating performance is important to managers. They need to explore how individual and performance measures and other measures can be combined to better measure past performance and drive the future achievement of strategic goals. There are a few different performance measurement methods, including Lagging indicators, Leading indicators, Non$-$financial measures, Benchmarking, and Best practices. If you had a choice, pick one of these $5$measures$,$ explain why you would use it over the others, and how you would implement it$.$

$3.$ Managers look at the financial statement to see how well a company is doing, but the account balances alone do not tell managers enough. Horizontal and trend analyses are commonly used by managers to help assess the company's financial strengths and weaknesses. Explain what horizontal analysis and trend analysis are, how the numbers are used, and some of the advantages and disadvantages. Please also go through which of the methods you like best.