1. Amazon.com stock prices gave a realized return of 10%, -10%, 15%, and -15% over four successive quarters. What is the

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1. Amazon.com stock prices gave a realized return of 10%, -10%,
15%, and -15% over four successive quarters. What is the holding
period return for Amazon.com for the year?
2. Your portfolio consists of 40 shares of CSH and 40 shares of​
EJH, which you just bought at $10 and $20 per​ share, respectively.
What fraction of your portfolio is invested in​ CSH? In​ EJH?
3. Cameron Industries is purchasing a new chemical vapor
depositor in order to make silicon chips. It will cost $3 million
to buy the machine and $30,000 to have it delivered and installed.
Building a clean room in the plant for the machine will cost an
additional $2 million. The machine is expected to have a working
life of six years. If straight-line depreciation is used, what are
the yearly depreciation expenses in this case?