One brand of canned salmon is sold in four different sizes. Size AThe 7 1 5 -ounce can costs $3.49. Size BThe 16 1 2 -ounce can costs $6.49. Size CThe 24 3 4 -ounce can costs $8.49. Size DThe 30 2 3 -ounce can costs $10.99. What is the unit rate for each size to the nearest cent? If the cost is less than a dollar, put a zero to the left of the decimal point. SizeUnit rate A$ B$ C$ D$ Which size is the best buy? Explain how you know.