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Igoryamba
3 years ago
14

Kevin invested $8,000 for one year at a simple annual interest rate of 6 percent and invested $10,000 for one year at an annual

interest rate of 8 percent compounded semiannually. What is the total amount of interest that Kevin earned on the two investments?
Business
1 answer:
sergejj [24]3 years ago
4 0

Answer:

$1,296

Explanation:

To get the total amount he earned, we calculate the simple interest the first and compound interest on the second investment

For the first;

I = PRT/100

Where I = the simple interest

P is the amount invested called the principal

R is the yield percentage called the rate

T is time frame of investment

For the first investment:

I = (8,000 * 6 * 1)/100 = $480

For the second investment

A = P(1 + R/n)^nt

A is amount

P is principal

R is rate

n is number of times, 2 in this case since it is semi annually

t is time, 1 year in this case

A = 10,000(1 + 0.08/2)^2

A= $10,816

Interest here is A - P

The interest earned is thus 10,816 - 10,000 = $816

Total amount of interest earned is thus $816 + $480 = $1,296

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If for a given individual, between a wage rate of $20 and $25 the ____________________ effect outweighs the ________________ eff
lakkis [162]

Answer:

Substitution Effect outweighs Income Effect ; Labour Supply Curve between wages will be upward sloping. OR :-

Income Effect outweighs Substitution Effect ; Labour Supply Curve between wages will be backward bending

Explanation:

Relationship between wage rate & labour supply can be explained by two effects :

  • Substitution Effect : Higher wage means more opportunity cost of leisure, so labourer would substitute leisure by working hours. This would imply increased labour supply.
  • Income Effect : Higher wage means more income. At higher income, consumer demands more of all goods, including leisure. So that would imply labourer preferring more leisure, decreased labour supply.

Wage rate change from $20 to $25 is a case of wage rate increase

If substitution effect > income effect, labour supply would increase as a result of wage rise ( from $20 to $25). So, the labour supply curve would be upward sloping

If income effect > substitution effect, labour supply would decrease as a result of wage rise ( from $20 to $25). So, the labour supply curve would be backward bending

5 0
3 years ago
At the beginning of the year, Uptown Athletic had an inventory of $640000. During the year, the company purchased goods costing
Nataly_w [17]

Answer:

Cost of Goods Sold = $1,700,000

Gross Proft = $1,740,000

Explanation:

We solve this assingemtn using the inventory identity:

$$Beginning Inventory + Purchase = Ending Inventory + COGS

We post the given and solve for the missing part:

640,000 + 2,020,000 = 960,000 + COGS

COGS = 640,000 + 2,020,000 - 960,000 = 1,700,000

Next we use the COGS value to calculate the gross profit.

Sales \: Revenues- \: COGS = \: Gross \: Profit

3,440,000 - 1,700,000 = 1,740,000

8 0
3 years ago
A firm has a marginal cost of $20 and charges a price of $40. The Lerner index for this firm is:________.
zhuklara [117]

Answer:

The correct answer is:

0.50 (B)

Explanation:

The Lerner index is used by monopolists to measure market/monopolist power, and it is defined as the percent markup of price over marginal cost.

It is given by the formula:

L = \frac{P - MC}{P}\\where:\\L = Lerner\ index\\P = price = \$40\\MC = marginal\ cost = \$20\\\\L = \frac{40\ -\ 20}{40} \\L = \frac{20}{40}\\ L = 0.5

Note: in a perfectly competitive market, L = 0, which makes Price = Marginal cost in the equation above. But in a competitive market, it is always the case that L ≥ 0

7 0
2 years ago
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Anastaziya [24]

Answer:

I think it is d if not then d haha

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3 years ago
The Coase Theorem states that
choli [55]

Answer:B. if transaction costs are​ low, private bargaining will result in an efficient solution to the problem of externalities.

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7 0
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