please answer all parts right

Problem 9 * Intro Download this spreadsheet with stock prices for five consumer packaged goods companies. Part 1 Attempt 1/10 for 10 pts. What was the monthly return for Unilever (UN) from January to February 2015? 5+ decimals Submit Part 2 - Attempt 1/10 for 10 pts. What was the monthly return from November to December 2017 for a portfolio with the following weights? A DE F B 39 Portfolio KO MDLZ PEP PG UN 40 Weights 0.25 0.2 0.15 0.15 0.25 4+ decimals Part 2 - Attempt 1/10 for 10 pts. What was the monthly return from November to December 2017 for a portfolio with the following weights? A B DE F 39 Portfolio KO| MD7] PEP PG UN 40 Weights 0.25 0.2 0.15 0.15 0.25 4+ decimals Submit Part 3 | Attempt 1/10 for 10 pts. What was the standard deviation of the same portfolio? 4+ decimals Submit Date 2 1/1/15 3 2/1/15 4 3/1/15 5 4/1/15 6 5/1/15 7 6/1/15 8 7/1/15 9 8/1/15 10 9/1/15 11 10/1/15 12 11/1/15 13 12/1/15 14 1/1/16 15 2/1/16 16 3/1/16 17 4/1/16 18 5/1/16 19 6/1/16 20 7/1/16 21 8/1/16 22 9/1/16 23 10/1/16 24 11/1/16 25 12/1/16 26 1/1/17 2/1/17 28 3/1/17 29 4/1/17 30 5/1/17 31 6/1/17 32 7/1/17 33 8/1/17 34 9/1/17 35 10/1/17 36 11/1/17 12/1/17 38 39 MDLZ 36.37 32.90 38.25 34.48 35.82 33.69 36.13 35.97 36.49 38.99 34.95 38.57 36.90 42.47 35.31 39.86 36.03 39.40 38.37 43.61 38.61 41.25 39.22 42.36 39.18 40.87 39.37 38.43 42.35 38.04 41.22 40.91 41.03 42.37 41.70 43.34 40.45 42.06 40.26 43.05 39.23 41.98 39.63 43.17 37.71 39.61 39.59 42.58 39.18 42.71 39.55 42.37 40.00 41.56 41.03 43.63 43.23 45.14 42.65 41.84 43.95 42.83 43.67 39.56 43.15 39.56 44.43 40.53 44.23 42.01 44.70 41.87 PEP PG UN 84.01 74.67 38.60 88.67 75.95 38.69 85.66 73.11 37.45 85.78 70.94 39.00 86.96 70.50 38.57 84.18 70.37 37.79 87.53 68.98 40.50 85.03 64.08 36.24 85.67 65.23 36.58 93.55 69.26 40.93 91.70 68.47 40.10 91.48 72.65 39.72 91.55 74.74 40.72 90.18 74.10 39.07 94.48 75.96 41.27 95.60 73.94 40.66 93.94 75.40 41.68 98.36 78.78 43.72 101.89 79.64 42.95 99.86 81.87 42.94 102.47 84.16 43.26 100.99 81.39 39.25 94.30 77.92 37.69 99.30 79.45 38.86 98.49 82.78 38.47 104.75 86.74 44.79 106.16 85.58 47.41 108.24 83.18 49.86 111.67 84.54 54.19 111.11 83.64 53.13 112.19 87.16 55.92 111.34 89.25 57.20 107.96 88.00 57.16 106.79 83.51 56.12 112.89 87.69 55.91 116.99 89.54 54.93 NNN Aw 27 mmmmmmmmm 37 1000