Trial License to build a proof of concept using AI builder

if i want to build a proof of concept using AI builder mainly using the form processing and i enabled a trial license, then how many documents' pages i can scan? I need to build a demo for a proof of concept, so if i start a trail for copilot how many documents' pages i can process under the trial inside power automate? i read that i will get 200,000 credit? and scan each page will consume 100 credits, so in our case we can scan 2000 pages? is this correct?

second question, if we chose to go for production solution and we have 20K pdf files (each PDF has 2 pages), then how much will it cost us? and is the license paid monthly or yearly ?

Thanks