A certain shampoo is available in two sizes. A 12.6-ounce bottle costs $2.97. A 22.8-ounce bottle costs $4.97. Find the unit price for each size. Then state which size is better buy based on the unit price. Round your answer to the nearest cent. Unit price for the 12.6-ounce bottle: $ per ounce

Unit price for the 22.8-ounce bottle: $ per ounce

The better buy: The 12.6-ounce bottle

The 22.8-ounce bottle

Neither (they have the same unit price)