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Liono4ka [1.6K]
3 years ago
15

lisette’s laptop needs a unique battery, and a local computer parts company is the only place that sells it. given the demand fu

nction table below, what is the marginal revenue if the parts company chooses to drop the price of the battery from $50 to $40?
Business
1 answer:
Allushta [10]3 years ago
3 0

Answer:

-5000

Explanation:

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An investor is considering two investment, an office building and bonds. He can only invest on of them. The possible return from
Hitman42 [59]

Answer:

1) Calculate the expected return and variance of investing in office building.

expected return:

$50,000 x 0.3 = $15,000

$60,000 x 0.2 = $12,000

$80,000 x 0.1 = $8,000

$10,000 x 0.3 = $3,000

<u>$0 x 0.1 = $0                      </u>

expected return = $38,000

$50,000 - $38,000 = -$12,000² = $144,000,000

$60,000 - $38,000 = -$22,000² = $484,000,000

$80,000 - $38,000 = -$42,000² = $1,764,000,000

$10,000 - $38,000 = -$28,000² = $784,000,000

<u>$0 - $38,000 = -$38,000² = $1,444,000,000         </u>

<u />

expected variance: (0.3 x $144,000,000) + (0.2 x $484,000,000) + (0.1 x $1,764,000,000) + (0.3 x $784,000,000) + (0.1 x $1,444,000,000) = $43,200,000 + $96,200,000 + $176,400,000 + $235,200,000 + $144,400,000 = $695,400,000

standard deviation = √$895,800,000 = $26,370

2) Calculate the expected return and variance of investing in bonds.

expected return:

$30,000 x 0.4 = $12,000

<u>$40,000 x 0.6 = $24,000   </u>

expected return = $36,000

$30,000 - $36,000 = -$6,000² = $36,000,000

<u>$40,000 - $36,000 = $4,000² = $16,000,000</u>

<u />

expected variance: (0.4 x $36,000,000) + (0.6 x $16,000,000) = $14,400,000 + $9,600,000 = $24,000,000

standard deviation = √$24,000,000 = $4,899

3) Based on the expected return we should choose investing in a building, but if we consider the variance and the standard deviation of the investments, I would choose investing in bonds. The difference in expected returns is not that large (only $2,000) but the variance and standard deviations of investing in the office buildings is quite large, meaning that the risk is very high.

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According to the video, what are a Computer Programmer's real skills? Check all that apply.
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Answer:

1 3 thx for the answer!

Explanation:

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Hope it helped!

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If the fed expands the money supply by $1 trillion, what will happen in the money market?
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<span>If the Fed expands the money supply by $1 trillion, the money market will be (letter C.) the equilibrium interest rate will fall, and more money will exchanged in equilibrium. It is because people will have more money to spend. Some would choose to use this money to buy goods and services while other opt to put their money in banks which may lead to lower interest rates to persuade people in borrowing. </span>
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