Exam Certified CPQ Specialist topic 1 question 100 discussion

Universal Containers (UC) sells licenses set up as subscription Products. A UC sales rep has closed an Opportunity associated to a Quote with a Subscription Term of 36 months. The sales rep and a customer have agreed to a Quantity of 100 licenses for the term of the Contract.
The customer wants to decrease the license count to 80 licenses after the first year. After the second year, the Contract will be amended again to increase the license count to 120 licenses.
After the sales rep amends the Contract to incorporate these changes, what are the respective Quantities of:
• The original Subscription
• The first amended Subscription
• The second amended Subscription