please explain each answer

QUESTION 1 Sunk costs are costs incurred in the past that cannot be changed by future decisions. True O False QUESTION 2 When deciding between alternatives, only those revenues and costs that differ from one alternative to another are relevant. True False QUESTION 3 The following data is for Archery Unlimited, a maker of bows used by archery enthusiasts. All fixed costs are unavoidable regardless of the products offered, and Archery sells all the products it produces each year. Unit Selling price Unit variable cost Total fixed cost Annual volume Beginner $40 $35 $60,000 7,000 Intermediate $200 $ 80 $200,000 4,000 Advanced $400 $120 $245,000 3,000 Required: (1) Perform differential analysis to determine what will happen to total profits if the company drops the Beginner product. (2) Based on the analysis, what would be your recommendation to management regarding dropping of the Beginner product