Answer:
The correct answer is letter "A": number of firms in an industry.
Explanation:
A concentration ratio measures the number of competitors within the same industry. The lowest concentration ratio of a firm, it represents there are more market rivals. The highest the concentration ratio, the lower the number of competitors of the firm. The ratio is expressed in percentage terms. A firm having a 100% concentration ratio is a monopoly.
Similar to manufacturing, services use methods that add value to the raw materials required to make the finished product. JIT emphasizes the process rather than the end result. Therefore, it may be applied to any set of processes, whether they are involved in manufacturing or providing services.
In the context of the industrial and service industries, the Just in Time (JIT) system: Companies use just-in-time (JIT) inventory strategies to boost productivity and cut waste by only ordering products when they are actually needed for manufacturing, which lowers inventory expenses.
Between service and manufacturing organizations, there are five key differences: the tangible nature of their output; production on demand or for inventory; production tailored to the needs of a particular customer; labour-intensive or automated operations; and the requirement for a physical production location.
In reality, though, service and industrial firms have a lot in common. Many manufacturers have their own service departments, and both industries need trained workers to run a successful organization.
Learn more about JIT here:
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Answer:
The balance in the Sinking Fund immediately after repayment of the loan will be $2,133.19
Explanation:
Hi, John will pay the loan by paying the yearly interest and the rest is going to go to the sinking fund, so, if he has $1,627.45 and the annual interest of the loan are $1,000, he will be depositing $627.45 into the sinking fund for ten years. Therefore, the future value of the annual deposits of the sinking can be found by using the following formula.

Where:
A = equal annual savings into the sinking fund (that is $627.45)
r = effective rate of the sinking fund (14%)
n = 10 years
Everything should look like this.


Now, this is the balance after 10 years, but remember that John has to pay the loan, which is $10,000 (not $11,000 because John pays the interest of the loan and then deposits the balance into the sinking fund). Therefore, the balance after repaying the loan is $12,133.19 - $10,000 = $2,133.19.
Best of luck.