Error in true mean = +/-Z*

Where; Z=2.58 at 99% confidence interval, s= sd = 0.25 hours, n=sample population = 60 refrigerators
Therefore;
Margin of error = +/-2.58*

= 0.0832 hours
Create a limit on the maximum no. of bottles the firm can make,
The required details about externality is mentioned in below paragraph.
<h3>How Do Externalities Work?</h3>
An externality is a cost or benefit a producer generates but does not personally bear or receive. An externality can result from the creation or consumption of a good or service and can be both positive and negative.
Externalities happen when creating or consuming a good has an effect on parties who are not involved in the transaction directly. Externalities can be either good or bad. They can result from either production or consumption as well. For instance, simply entering a city center will increase the pollution and traffic for individuals who live there.
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Answer:
Direct labor rate variance = Direct labor variance - Direct labor efficiency variance
Explanation:
Direct labor rate variance
Direct labor efficiency variance
Computation:
Direct labor rate variance = Direct labor variance - Direct labor efficiency variance
Holding period return is 8.000%
Price at the time of purchase=
1000*9.3% 8(1/1.08^10)+1000/1.08^10=1087.231058
Price at the time of sale=
1000*9.3%/8%*(1-1/1.08^9)+1000/1.08^9=1081.209543
Holding period return=
(1081.209543+1000*9.3%)/1087.231058-1=8.0000%
Coupon bonds, also known as bearer bonds or bond coupons, are debt securities with coupons attached that represent semi-annual interest payments. For coupon bonds, there is no record of the purchaser and issuer. The purchaser's name is not even printed on the certificate.
A coupon bond is a debt instrument with a removable piece of paper that can be peeled off the bond itself and taken to a bank or broker to pay interest. These removable pieces of paper are called coupons and represent interest payments to creditors.
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The answer is operational feasibility. This is a measurement
as it is the one responsible for measuring how the problems are being solved by
a proposed system that is made and in the same time, during scope definition—the
opportunities are being taken advantage of as it is identified.