“Customer Retention Analysis using Power BI: A Case Study on First Purchase and Return Rates”

use the data contained within the attached Excel file, to create a Power BI data model using industry best practices to solve the question. Here are the specific details & requirements of the mission:
please find attached data in the excel file to create tabular report in power bi desktop
send the work to me in .pbix file and also in a work document add explanation on the dax functions used in getting the table right
when you create the tabular report these are the measures am looking up for: Month when customers made first purchase, customers, pct who returned within 90 days of first purchase(%), pct who returned with following 3 month (%)