Below is the monthly share price data for Afterpay Limited (ASX code APT. AX) for 2020 (Source: https://finance. yahoo. com)

Month Open $ Close $
Jan 29.28 38.55
Feb 37.57 33.17
Mar 32.18 18.80
Apr 19.85 31.20
May 29.75 47.41
June 46.53 60.99
July 60.49 68.54
Aug 68.50 91.44
Sep 89.80 79.99
Oct 81.85 96.69
Nov 96.50 95.01
Dec 95.80 118.00

Afterpay Limited did not pay any dividend in 2020.

a. Calculate the monthly percentage returns for APT for 2020. (Show all calculations, show
answers as percentage correct to two decimal places.)
b. Calculate the risk measured by the standard deviation for APT. (Show all calculations, show
answer as a percentage correct to two decimal places.)
c. If the standard deviation for the market is 8.02%, how does this compare with APT’s standard
deviation calculated in part b? Explain your conclusions.

Walmart’s scm system walmart is famous for its low prices, and you may have experienced its low prices first-hand. at least, you have probably seen its motto, “always low prices— always.” one of the biggest reasons walmart is able to sell at prices lower than almost everyone else is that it has a superefficient supply chain. its it-enabled supply chain management system is the envy of the industry because it drives excess time and unnecessary costs out of the supply chain. so, because walmart can buy low, it sells low. as a matter of fact, if your company wants to sell items to walmart for it to sell in its stores, you will have to do business with it electronically. if your company can’t do that, walmart won’t buy anything from you. log on to walmart’s web site (), search for supplier information, and find out what walmart’s requirements are for its suppliers to do business with it electronically. prepare a brief summary of its requirements for presentation in clas

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