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viktelen [127]
3 years ago
9

An investment portfolio contains stocks of a large number of corporations. Over the last year the rates of return on these corpo

rate stocks followed a normal distribution with mean 9.5% and standard deviation 4.5%. (a)For what proportion of these corporations was the rate of return higher than 16%? (b)For what proportion of these corporations was the rate of return negative? (c)For what proportion of these corporations was the rate of return between 3% and 17%?
Business
1 answer:
saul85 [17]3 years ago
8 0

Answer:

In a normal distribution:

Formula for z value = z = (x – μ) / σ

1) X= 16%

μ= 9.5%

σ= 4.5%

z= 16-9.5/4.5

=1.555 (Look up this score on t he z table)

Probability = 0.9394 (this is the probability of the return being in between 0%-16%, if we want to find the probability of the return being lower than or equal to 16% we have to subtract  0.9394 from 1)

1-0.9394=0.0606=6.06% of the stocks had higher than 16% return.

2) 1) X= 0%

μ= 9.5%

σ= 4.5%

Z= 0-9.5/4.5=-2.11

Probability = 0.0174 = 1.74% of the stocks had a return below 0

3) 3<X>17

μ= 9.5%

σ= 4.5%

Z=3-9.5/4.5=-1.44= 0.0749

z= 17-9.5/4.5= 1.66=0.9515

We have the probability of the stocks that return below 3% (0.0749)

and stocks which return under 17% (0.9515)

In order to find the proportion of stocks between 3% and 17% we will subtract 0.0749 from 0.9515

=0.8766

For 87.66 % of these corporations the rate of return was between 3% and 17

Explanation:

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Answer:

Before-tax cost of debt ⇒ A. The interest rate the firm must pay on new long-term borrowing.

This refers to the interest rate that a firm will pay on long term borrowing as compensation to the lenders for lending the company some funds.

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The cost of the preferred stock is the rate of the preferred dividend that investors require they are paid every year if dividends can be paid and sometimes even when it cannot.

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The following information relates to the assets of Westfield Semiconductors as of December 31, 2019. Westfield uses the straight
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Answer:

See the explanation below.

Explanation:

Given the following:

Asset    Acquisition-Cost   Expected-Life    Residual-Value   Time-Used

Land        $104,300                 Infinite               $100,000            10 years

Building     430,000               25 years                30,000             10 years

Machine     285,000                5 years                  10,000              2 years

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Truck            21,000             100,000 miles           3,000         44,000 miles

Therefore, we have:

Building annual depreciation = ($430,000 - $30,000) / 25 = $16,000

Building net book value (NBV) = $430,000 - (16,000 * 10) = $270,000

Machine annual depreciation = ($285,000 - 10,000) / 10 = $27,500

Machine NBV = $285,000 - ($27,500 * 2) = $230,000

Patent annual amortization = $80,000 / 10 = $8,000

Patent net written down value = $80,000 - ($8,000 * 3) = $56,000

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Truck NBV = $21,000 - $7,920 = 13,080

Westfield Semiconductors Balance Sheet (Partial) as of December 31, 2019.

<u>Details                                                             $</u>

Property, plant, and equipment:

Land (Cost)                                                104,300

Building (NBV)                                          270,000

Machine (NBV)                                         230,000

Truck (NBV)                                             <u>    13,080</u>

Total PPM                                                  617,380

Intangible assets:

Patent (NRV)                                              <u> 56,000</u>

Total tangible and intangible assets    <u> 673,380</u>

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incremental benefits = $27,211,376 - $16,161,644 = $11,049,732

Therefore, incremental benefit cost ratio = $14,945,777.2/$11,049,732 = 1.35

The incremental benefit/cost ratio for Alt B is 1.35

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