Topic: ISLAMIC INVESTMENT

Answer all the following questions:?

4. Ahmad, a retail investor, purchased shares for RM11,100 on 2^nd January 2018. On 31^st Dec 2018, he earned 15%. He also earned 5% and -5% on 31^st Dec of 2019 and 2020, respectively. What is CWI?

5. The following information is returns of stock for five years,

Year	Return
2014	(5.15%)
2015	9.92%
2016	4.5%
2017	2.3%
2018	(2.7%)

1. What is the average annual return?
2. What is the variance of the stock's returns?
3. What is the standard deviation of the stock's returns?

* Note that the consumer price index (CPI) is a measure taken from examining the average of prices from a hypothetical basket of goods and services purchased by consumers

- Please help I will make sure to rate the answer as helpful.