The table below shows the earnings, in thousands of dollars, for three different commissioned employees. Employee #1 $2,000 + 3% on all sales Employee #2 7% on all sales Employee #3 5% on the first $40,000 + 8% on anything over $40,000 December 4.4 5.6 5.2 January 3.5 3.85 3.6 February 4.7 4.9 4.4 Which employee did not have the same dollar amount in sales for the month of February as the other two employees?

For February, Employee #1 earned $4,700, so subtract the $2,000 base pay: $2,700 ÷ 0.03 = $90,000 in sales. Employee #2’s $4,900 earnings at 7% correspond to $70,000 in sales. Employee #3 earned $2,000 on the first $40,000 and $2,400 more; at 8%, that extra commission means $30,000 above $40,000, or $70,000 total. Therefore, Employee #1 had a different sales amount.

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