In each of the following sentences there are two blank spaces. Below each five pairs of words have been denoted by numbers a, b, c, d and e. Find out which pair of words can be filled up in the blanks in the sentence in the same sequence to make the sentence meaningfully complete.
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On account of the in sales the software firm has achieved an eight percent in net profit.
1). surge, fall
2). increase, rise
3). decline, slope
4). hike, loss