Estimating Monthly Credits Needed for Email & SMS Campaigns

Hello everyone. Question if I had 10k contacts and I setup n email n sms campaign with Lindy and I had a 35% response rate in a month and Yuen average person had 3 messages bavk n forth and I pushed that lead through a series of pipelines n funnels call agents booking agents sns agent email agent conversation history agent crm agent how many credits a month would I need to to maintain those communications and lead management. Ball park guess