How much did a hen cost in 1350?
The record: 4d, London 1363.
About $49 in today's gold
2 days of a farm labourer's pay.
Capon 6d; a plain chicken ½d in the countryside. Source
Who could buy it
The lowest paid on each ladder of 1350 whose pay was enough:
In other words, within reach: under a week's work for a farm labourer.