Normally, in a Healthy Rental Market, One Would Expect What

Normally, in a healthy rental market, one would expect what relationship between the "going-in" and "going-out" cap rate?

A) The going-in cap rate should be higher than the going out.
B) The going-out cap rate should be at least as high as the going-in rate.
C) There is no particular relation between the two.
D) The going-out cap rate is too far in the future, and should not be estimated.