You work delivering food for a local farmer. You sell eggs from the farm at a price of 3 for $2.00, 6 for $3.50, 12 for $6.00, and 24 for $13.00. What is the unit cost per egg for the worst deal?

A.
$0.50
B.
$0.67
C.
$1.50
D.
$1.85