Summarize Table

Hi All

I am trying to summarize a table that contains payment of customers.

I want the first transaction date and first amount, also the last transaction date and last amount.

As soon as i have this information, i will be able to calculate what the customer should have paid me from when they started paying to now. 

In addition, i will know those who are behind.

PS: I am unable to get the FirstPaymentAmount and LastPaymentAmount. Any solution?

DAX Code:

BI_ARREARS = SUMMARIZE(BI_TRANSACTIONS, BI_TRANSACTIONS[Rim_No], "FirstTransactionDate", MIN(BI_TRANSACTIONS[Payment_Date].[Date]),"Total Amount Paid",SUM(BI_TRANSACTIONS[Payment_Amount]), "LastTransactionDate", MAX(BI_TRANSACTIONS[Payment_Date]))

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