A 60 ounce glass bottle of juice sells for $4.20 while a 1.5 liter of the same juice sells in a plastic bottle for $3.06. Compare the unit prices of the juice for the two containers. (1 liter is approximately 34 ounces)
a.
The juice in the glass bottle is 1 cent cheaper per ounce.
b.
The juice in the plastic bottle is 1 cent cheaper per ounce.
c.
The juice in the glass bottle is 10 cents cheaper per ounce.
d.
The juice in the plastic bottle is 10 cents cheaper per ounce.