CourseAI Engineering: The Complete Course · Module 14: Professional Practice · part 103 of 105

Part 103 · Module 14: Professional Practice

Lesson 2: Cost, trade-offs and the people who decide

12 min read·13 Oct 2026

Module 14 · Lesson 2 · About 35 minutes · Needs: Module 7 Lesson 5 (cost per request); the Module 8 scorecard helps

The situation

Marta and Priya book half an hour with you. They have one question: should BrightCart route all 2,000 daily messages to the assistant?

Marta asks what it costs and Priya asks what happens when it is wrong; you answer both with one set of numbers (blue: your system).

Marta wants a monthly figure for her budget. Priya wants to know what happens to her team and customers when the assistant is wrong. This lesson turns your numbers from earlier modules into a conversation both can follow and a one-page memo they can decide on.

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