So many eggs, so little time

We are doing a good job at our egg production to consumption ratio with only the two chickens laying, but I have a feeling that very soon the other two will get on board ( I think they are close or over 20 weeks) and start laying. In fact I saw a third egg in the nest the other day but had to question myself if I forgot to do the egg collecting the day before and maybe it was really just Henrietta's egg. We will see- I just don't want to get all excited before I am sure. Once that happens our egg p:c will jump and we can get into business.