disney
dates	daily closing price
May 05, 2020	103.76
May 04, 2020	103.18
May 01, 2020	105.5
Apr 30, 2020	108.15
Apr 29, 2020	112.25
Apr 28, 2020	106.21
Apr 27, 2020	106.06
Apr 24, 2020	101.19
Apr 23, 2020	101
Apr 22, 2020	100.99
Apr 21, 2020	100.54
Apr 20, 2020	102.26
Apr 17, 2020	106.63
Apr 16, 2020	102.02
Apr 15, 2020	103.37
Apr 14, 2020	106.03
Apr 13, 2020	103.5
Apr 09, 2020	104.5
Apr 08, 2020	101.07
Apr 07, 2020	101.24
Apr 06, 2020	99.58
Apr 03, 2020	93.88
Apr 02, 2020	96.97
Apr 01, 2020	94.92
Mar 31, 2020	96.6
Mar 30, 2020	99.8
Mar 27, 2020	96.4
Mar 26, 2020	105.36
Mar 25, 2020	100.73
Mar 24, 2020	98.12
Mar 23, 2020	85.76

Part II covers daily stock prices from week 1 to week 7.

1. For this stock, calculate daily rates of return, average daily rate of return and standard deviation of daily rates of return.

2. Calculate daily portfolio values.