A peck is a 1/4 bushel, or roughly 2 gallons of food which can feed 1-2 people per week.
Box size: 11"x9"x6".
$25 per week when paid yearly. $1300 every year.

A kenning is 1/2 bushel or 4 gallons of food and will feed 3-4 people a week.
Box size: 14"x11"x7".
$50 per week if paid yearly. $2600 per year.

A bushel is roughly 9 gallons and will feed 7-8 people a week.
Box size: 17.5"x12"x11.5".
$100 per week if paid yearly. $5200 per year.

3/4 bushel is roughly 7 gallons and will feed 5-6 people a week.
Box size: 16" x 9" x 11.5".
$75 per week if paid yearly. $3900 per year.