Lesson 1
Relevant costs
Premium Content
This is lesson 72 of 100.
Try the first 10 lessons free, then upgrade for full access!
Choose a plan to access more lessons, or sign in if you already have access.
🐛 Progress Button Debug Info
Current Lesson: Relevant costs (ID: 029e81e2-4e94-4804-862f-1b0cf7c39cfc)
Is Authenticated: ❌ No
Has Video Access: ❌ No
Is Freemium Lesson: ❌ No
Should Show Buttons: ❌ No
Lesson Progress Status: not_started
Progress API Response: Not loaded
🤖 AI Study Companion
🔥 Premium Feature
Get instant help with your questions using our advanced AI learning companion. Ask questions, get detailed explanations, and receive personalised study guidance.
🚀 What you'll get with premium access:
24/7 AI Study Companion
Always ready to assist you
Instant Answers
No waiting for responses
Personalised Learning
Adapted to your progress
Study Optimisation
Smart recommendations