The average (arithmetic mean) salary of 15 people in the shipping department at a certain firm is $20,000. The salary of 5 of the employees is $25,000 each and the salary of 4 of the employees is $16,000 each. What is the average salary of the remaining employees?
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A$19,250
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B$18,500
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C$18,000
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D$15,850
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E$12,300
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正确答案: B