1. List 2 variable costs Mr. Puffin's Muffins would incur in making muffins. 2. List 2 fixed costs Mr. Puffin's Muffins would incur in making muffins. 3. Which regression model (Option 1, Option 2 or Option 3) should be used to project total muffin cost and WHY? 4. Based on the regression model selected, what is the total cost formula (TC = VC + FC) 5. Based on the total cost formula, what is the expected cost of 10,000 muffins