which cost the least per ounce

60 oz. of chocolate for $5.40

To determine which option costs the least per ounce, we need to divide the total cost by the number of ounces.

For 60 oz. of chocolate costing $5.40, we divide $5.40 by 60:

$5.40 / 60 oz. = $0.09 per ounce

Therefore, the cost per ounce for this option is $0.09.