Solution:
Single factory overhead amount: the amount at which plant overheads or processing overheads are assigned to goods is referred to as single plant overhead rate.
Formula to measure a single plant-wide overhead rate:
Single plant-wide overhead rate :
Different development team overhead rate: this distribution system describes the various divisions engaged in the manufacturing cycle. Factory overheads are assigned to goods on the basis of the overhead cost for each of the manufacturing units.
Formula for calculating various output department overhead:
Multiple production department overhead rate:

For calculate: single plant-wide overhead rate use direct working hours (DLH) as the allocation basis, and measure factory overhead.
Using DLH as the allocation basis to measure a single plant-wide overhead limit.
Single plant-wide overhead rate : 
=
For calculate: single plant-wide overhead rate use direct working hours (DLH) as the allocation basis, and measure factory overhead.
Using DLH as the allocation basis to measure a single plant-wide overhead limit.
If sales volume increases and all other factors remain constant, then the Margin of safety will increase
Explanation:
The margin for safety (MOS) is described as an overall excess of current or expected revenue, expressed either in terms of currency or in units, or as a percentage of total revenues.
One of the main ways to increase the safety margin is through increasing the gross value per unit (if business conditions are favourable) and by reducing the variable cost per unit of the good. This can be accomplished by rising selling costs.
Answer: Aggregate demand would shift to the left due to a decrease in US exports.
Explanation When the dollar appreciated against foreign currencies, U.S. goods and services become relatively more expensive, reducing exports and boosting imports in the United States. Such a reduction in net exports reduces aggregate demand.
The replacement period ends on December 31,2023 based on the information given about the insurance.
<h3>How to explain the information?</h3>
It should be noted that the replacement period is the period beginning and ending the reimbursement of an equipment.
It should be noted that the replacement will begin on the date when the equipment was stolen. In this case, it will then end two years after the close of the first tax year where the part of gain is realized.
Therefore, the replacement period ends on December 31,2023
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Options
A) September 30, 2023
B) December 31, 2023
C) December 31, 2022
D) December 31, 2021
Answer
The answer and procedures of the exercise are attached in the following archives.
Explanation
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.