Please explain everything clear on each step as you want to explain it to 16 years old student who just start to learn microeconomics

3. The production possibilities curve below show the hypothetical relationship between the production of food and clothing in an economy. CombinationFood Clothing A 0 4 B 7 3 C 13 2 D 18 1 E 22 0 a. What is the marginal opportunity cost of producing the second unit of clothing, and how does this concept contribute to understanding trade-offs in production? b. How does the total opportunity cost of producing the third unit of clothing differ from its marginal opportunity cost, and what does this reveal about resource allocation