£1 pays one year of support for:
One squire and his horses, or
8 rich commoners, or
24 commoners, or
48 poor commoners
or, in the short term, it could feed 7,000 commoners or 15,000 poor people for a day.
£1 = 240 d.
1 d. pays for:
25 commoners for a day, or
50 poor people for a day (i.e. 10 d. feeds an entire village).