Nitin Is Paid on a Graduated Commission Scale

Multiple Choice

Nitin is paid on a graduated commission scale. His base salary is $1,500 per month and he receives commission at the rate of 2% for the first $10,000 of sales in a month, 3% on the next $20,000, and 4.5% on all further sales. How much will Nitin earn in a month in which his sales are $60,000?

A) $2,150
B) $2,250
C) $3,750
D) $3,650
E) $2,500