Ahmed runs a small bodega $($convenient store$)$ in a major urban area. He was pleasantly surprised that his new fresh egg supplier gave him a free dozen eggs for any egg that was delivered broken. He had never received such customer service from his previous supplier. In fact, he now tells other relatives who run other shops in the city how much he valued the new supplier. This is an example of

Question $57$ options:

$1)$

baker's dozen paradigm.

$2)$

service quandary.

$3)$

halo effect.

$4)$

service dilemma.

$5)$

service recovery paradox.