Answer :

[tex]\begin{gathered} a)\text{ \$0.50} \\ b)\text{ \$0.48} \\ c)\text{ Frostatic} \end{gathered}[/tex]

A) We want the amount per ounce at Fromazing

We can see this from the question at $0.50 per ounce

B) The cost per ounce at Frostatic can be obtained by dividing the cost by the amount in ounce for any of the rows

Thus, we select any of the rows and we have this as;

[tex]\frac{2.40}{5}\text{ = \$0.48 per ounce}[/tex]

The amount per ounce at Frostatic is $0.48

C) The deal at Frostatic is better as it is at a lesser cost