Answer:
The portfolio standard deviation is 14.82%
Explanation:
The portfolio standard deviation would be calculated by finding out the variance of the portfolio and taking the square root of it.
Variance of the portfolio = [(1 - .50)
x 0.25
] + [0.50
x 0.16
] + [2 x (1 - 0.50) x 0.50 x 0.25 x 0.16 x 0]
= [0.25 x 0.0625] + [0.25 x 0.0256] + [0]
= 0.015625 + 0.0064
VarPort = 0.022025
Std DevPort = √0.022025
Std DevPort = 0.1482 = 14.82 percent
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Answer:
It breaks down on two parts to be fully explained.
Explanation:
Part 1
The correct answer is:
The D option (All of the above are correct) which applies perfectly in the firms of competitive markets.
Part 2
Referred to Table 2.
For this firm, the average revenue from selling 3 units is A) $12. B) $4. C) $3. D) $1.
Table 2
The reference to table 2 represents a demand curve faced by a firm in a competitive market.
Price Quantity
$4 0
$4 1
$4 2
$4 3
$4 4
$4 5
The correct answer is:
The B option ($ 4) which it would represent the overall average revenue from selling 3 units.
Answer:
20 years (scenario A) and 16 years (scenario B)
Explanation:
The real GDP will double in "n" number of years, with "n" estimated by interpolation using the formula below.

In the solutions below, we assumed current GDP to be 1, and as a result, the GDP will double to 2.
Scenario A

When you substitute 20 for "n" in the left hand side (LHS) of the equation, you will arrive at 1.99 which is approximately equal to 2. Any number below 20 will result in a number less than 2.
Thus, with an average annual real GDP growth rate of 3.5%, real GDP will double in about 20 years.
Scenario B

When you substitute 16 for "n" in the left hand side (LHS) of the equation, you will arrive at 2.02 which is approximately equal to 2. Any number below 16 will result in a number less than 2.
Thus, with an average annual real GDP growth rate of 4.5%, real GDP will double in about 16 years.
Answer: $1,203.49
Explanation:
The equal contributions will be an annuity. The $3,500 already there will also grow at 6% for 3 years. Expression is;
8,000 = ( 3,500 * ( 1 + 6%)^3) + Contribution * Future value interest factor of annuity, 3 years, 6%
8,000 = 4,168.56 + Contribution * 3.1836
Contribution = (8,000 - 4,168.56) / 3.1836
Contribution = $1,203.49