I have data like this in Excel:
ColA ColB ColC ColD
1B 1B E
2B 4B C
3B 5B E
4B
5B
I would appreciate a formula to be applied in ColB for the following result:
ColA ColB ColC ColD
1B E 1B E
2B 4B C
3B 5B E
4B C
5B E