Design a modular program in C++
Brewster’s Used Car’s, Inc. employ several salespeople.Brewster, the owner of the company, has provided a file thatcontains sales records for each salesperson for the past month.Each record in the file contains the following two fields: Thesalesperson’s ID number, as an integer and the amount of a sale, asa real number. The records are already sorted by salesperson ID.Brewster wants you to design a program that prints a sales report.The report should show each salesperson’s sales and the total salesfor that salesperson. Use Brewster. txt file that contains all thedata as displayed below. The report should
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