You are an investor and will invest in FRLL and NFLL stocks. FRLL shares do not make dividend payments, while NFLL shares make regular dividend payments. You have the following historical data for the FRLL and NFLL stock prices for the past four years:

Tahun	Price (in $)
	FRLL	NFLL	NFLL Dividend
2017	1000	1000
2018	1500	1000	100
2019	1200	1000	150
2020	1350	1000	200

a. Calculate the rate of return of the arithmetic average and geometric average from 2017 - 2020.

b. In 2020, you invested and bought $ 100 million in FRLL shares and $ 180 million NFLL shares. There is a 35% chance of a recession due the Covid-19 pandemic and a normal probability of 50%. You have an expectation that the rate of return in the crisis period will be 5% lower than normal, whereas during the boom the rate of return will be 5% higher than normal.

Calculate the expected return, standard deviation for the FRLL and NFLL stocks. Also calculate the expected return of the portfolio