Cracking the Puzzle of Mid-Contract Cloud Upticks in Indian Enterprises

Here's a question that sounds trivial and isn't. A customer is on Basic, 3 seats. On day 12 of a 30-day billing cycle they switch to Pro, 2 seats. How much do you charge them today, and what do they renew at next month? If your first instinct was "new price times new quantity," you've already shippe