The average of five results is 46 and that of the first four is 45. The fifth result is?  Choose the most appropriate option:
A) 29  B) 27  C) 29  D) 50  E) 81
5 * 46 – 4 * 45 = 50   Answer: 50
<result>D</result>
The average of five results is 46 and that of the first four is 45. The fifth result is?