In the following items, each passage consists of six sentences. The first sentence (S1) and the final sentence (S6) are given. The middle four sentences in each have been removed and jumbled up. These are labelled P, Q, R and S. You are required to find out the proper sequence of the four sentences and mark accordingly on the Answer Sheet. 

S1: Arun suddenly found himself in the streets. 
P: There was a little money in the bank and he had some stock on hand. 
Q: The prices were going down, and he could hardly realize a few hundred rupees. 
​R:  At first he could hardly understand the full significance of this collapse. 
S: But the stock moved out slowly. 
S6: When he applied for the refund of his security, there was hardly anyone at the other end to receive his application