The program will determine the winner of a sales contest. The salesperson who sold the most units wins the contest. There are 19 salespersons in this contest. Read the salesperson ID number and the number of units sold by each salesperson. Determine and display the winner of the contest. If the winner sold more than or equal to1000 units, display “excellent”. If less than 1000 but greater than 749 units, display “very good”, otherwise display “good”.