Hi, I'm running an SaaS. I would like to implement a billing plan that charges per user. For example - A monthly plan cost $1. A company subscribes for 10 users, we would like to charge $10/month. Other company subscribes for 20 users, we would like to charge $20/month Does Paypal support that kind of recurring subscription? If yes, does it also support Pro-rate. For example, a company subscribes for 10 users. In the middle of the month, they 5 more employee and increase quantity to 15. For the next billing, we would charge $15 for the next month plus $0.5*5=$2.5 for 5 users in the last month. Thank you, Bao
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