Help me apply Worked examples to the material below. Reader and existing knowledge: [describe] Task and desired outcome: [describe] Use these principles: Show the starting information, goal, and complete sequence.; Explain why each step follows.; Follow the example with a related problem that requires the learner to act.. Preserve source facts, identifiers, quantities, conditions, exceptions, and uncertainty. Separate supplied facts from assumptions. Ask for missing information instead of inventing it. Explain your representation choices and provide a review checklist. Do not claim formal compliance or correctness from formatting alone. Material: [paste only information you are permitted to share]