Directions: Read the following information carefully and answer the given question. A word and number arrangement machine when given an input line of numbers rearranges them following a particular rule in each step. The following is an illustration of an input and rearrangement steps.
Input: 78 37 59 18 48 97 63 47
Step 1: 09 78 37 59 48 63 47 02
Step 2: 10 09 59 48 63 47 02 01
Step 3: 11 10 09 59 48 02 01 03
Step 4: 12 11 10 09 02 01 03 04
Step 5: 01 02 03 04 09 10 11 12 And step 5th is the last step of the above input as the desired arrangement is obtained.
As per the rules followed in the above steps, find out in the following questions the appropriate step for the given input.
Input: 87 73 95 81 84 79 36 74
find the average of numbers of the first no. from right end in step 1, second no. from right end in step 2, third no from right end in step 3 and fourth no from right end in step 4.

Options

A. 12
B. 4
C. 8
D. can't be detemined