In the following sentence, a part of the sentence is underlined. Below are given alternatives to the underlined part, which may improve the sentence. Choose the correct alternative. In case no improvement is needed, choose the option ‘No improvement’.
As per the opportunity cost of producing extra units of goods increases after a point, there is no need to observe them in advance.
A. As soon as
B. Because
C. As to
D. As far as
The sentence uses the form as per, which is incorrect and needs improvement.
There are two different sentences, suggesting the use of a conjunction.
The only appropriate conjunctions here are 'because' and 'as far as'.
Both of these make the sentence meaningful.
The only alternatives that improve the sentence are B and D.
None of the other alternatives can make the sentence meaningful.
Therefore, the correct answer is option 1.