Exercises: Module 05 — E-commerce and Marketplace¶

Instructions¶

Complete each exercise in order. Exercises increase in difficulty. Show your work for all calculations. Submit your answers by editing this file or committing a solutions file.

[!NOTE] This module is a stub. Full exercises will be added when the module theory content is expanded. The exercises below are scaffolded based on the module objectives.

Easy Exercises (1–3)¶

Exercise 1¶

Difficulty: Easy Objective: Recall key definitions from this module

Review the Key Concepts section of the module README and write a 2–3 sentence explanation of each key concept in your own words, without looking at the definitions.

Your answers:

Exercise 2¶

Difficulty: Easy Objective: Apply basic concepts to a scenario

Based on the Theory section, answer the scenario questions relevant to this module's context. (Full exercise content will be added with module expansion.)

Your answers:

Exercise 3¶

Difficulty: Easy Objective: Compare and classify

Using the frameworks introduced in this module, compare two examples from the module's domain and explain which is preferable and why.

Your answers:

Medium Exercises (4–6)¶

Exercise 4¶

Difficulty: Medium Objective: Financial calculation

Complete the worked calculations introduced in the Examples section, then vary the assumptions and explain how the result changes.

Your answers:

Exercise 5¶

Difficulty: Medium Objective: Scenario analysis

Given a realistic Brazilian scenario (from the module's context), apply the module's frameworks to recommend the best course of action with justification.

Your answers:

Exercise 6¶

Difficulty: Medium Objective: Comparison and trade-off analysis

Compare two approaches from this module's domain. Identify the conditions under which each is superior. Present your analysis as a table.

Your answers:

Hard Exercises (7–8)¶

Exercise 7¶

Difficulty: Hard Objective: Multi-step problem solving

Construct a complete solution to a multi-component problem using the tools from this module. Show all intermediate steps.

Your answers:

Exercise 8¶

Difficulty: Hard Objective: Apply module concepts to your personal situation

Apply this module's framework directly to your own financial situation. Use real numbers where possible.

Your answers:

Expert Exercise (9)¶

Exercise 9¶

Difficulty: Expert Objective: Synthesis across modules

Design a solution that integrates concepts from this module with at least two prior modules. Identify where the modules interact and how the combined framework produces better outcomes than either alone.

Your answers:

Answer Key¶

See ANSWERS.md for the answer key after attempting all exercises.