If the average (arithmetic mean) of the four numbers 13, 15, 52, and (N + 1) is 52, then N = Select the correct option:
A) 1 19	B) 120	C) 1 21	D) 122	E) 127
13+15+52+N+1= 52 x 4 = 208   =&gt;N +81 = 208   =&gt;N=127   Answer 127
<result>E</result>
If the average (arithmetic mean) of the four numbers 13, 15, 52, and (N + 1) is 52, then N =