Question: For both questions please show your work. Do not use excel: 9. Youve observed the following returns on Crash-n-Burn Computers stock over the past five

For both questions please show your work. Do not use excel:

9. Youve observed the following returns on Crash-n-Burn Computers stock over the past five years: 7 percent, -13 percent, 21 percent, 34 percent, and 15 percent.

a. What was the arithmetic average return on Crash-n-Burns stock over this five-year period?

b. What was the variance of Crash-n-Burns returns over this period? The standard deviation?

10. For Problem 9, suppose the average inflation rate over this period was 3.5 percent and the average T-bill rate over the period was 4.2 percent.

a. What was the average real return on Crash-n-Burns stock?

b. What was the average nominal risk premium on the Crash-n-Burns stock?

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