Plz helpp. Not sure if the one is correct

pp. 561-562 12. Tim and Helen are hosting a bake sale. The ingredients to make one dozen cupcakes cost $9.50. All baking supplies, except ingredients, and energy uckes? price the cupcakes at $3.50 each. What is the markup rate or except ingredients, and energy costs are donated. Tim and Helen -95- 3250 77 markup 10de PP. 566-568 13. Arthur builds and sells puppets. To create his popular Gabbo puppet, Arthur purchases a 10-puppet supply kit (one kit makes 10 puppets) for $48.20. He sells the Gabbo puppets for $58 85 and estimates the overhead expenses are 20% of the selling price what is the net profit rate per Gabbo puppet? Hint: Start by calculating the supply price for one puppet