How do I solve this problem?

Propiem 3-1 (Aigo) A commercial bakery has recorded sales (in dozens) for three products, as shown below: Day 1 2 3 4 5 7 Blueberry Muffins Cinnamon Buns 51 25 52 24 53 26 52 26 59 31 51 32 52 34 57 32 49 35 51 36 59 36 51 37 59 39 51 40 56 42 Cupcakes 67 31 34 70 42 38 36 67 34 39 32 74 39 36 32 9 10 11 12 13 15 Click here for the Excel Data File a. Predict orders for the following day for each of the products using an appropriate naive method. : The Blueberry Muffin Cinnamon Buns Cupcakes - The forecast is forecast is forecast is The a. Predict orders for the following day for each of the products using an appropriate naive method. Blueberry Muffin Cinnamon Buns Cupcakes : The : The : The forecast is forecast is forecast is b. What should the use of sales data instead of demand imply? The use of sales data instead of demand implies that adequately reflect that no stock outs occurred because demand equals sales if there are no shortages We are assuming