1. A commercial bakery has recorded sales (in dozens) for three products, shown as follows: Day 1 2 3 4 5 6 7 8 9 G W = 66 10 11 12 13 14 15 Blueberry Cinnamon Muffins Buns 30 18 34 17 32 19 34 19 35 22 30 23 34 23 36 25 29 24 31 26 35 27 31 28 37 29 34 31 33 33 Cupcakes 45 26 27 23 22 48 29 20 14 18 47 26 27 24 22 a. Predict orders for the following day for each of the products using an appropriate naive method. Hint: Plot each data set. b. What should the use of sales data instead of demand imply?