eremiah needed dog food for his new puppy. He compared the prices and sizes of three types of dog food. Canine CakesBark BitsWoofy Waffles Size (pounds)165040 Cost$24$82$48 Part A: Calculate the corresponding unit rate for each package. (9 points) Part B: Determine the best buy using the unit rates found in Part A. Explain your answer. (3 points)