Toni Bucherer earns a salary of $1,200 a month and a commission of 7.5% on all sales over $4,000. This month her sales were $21,400. Find her total earnings for the month.
E = 1200 + [ (0.075) • (21,400 – 4,000) ]
E = 1200 + (0.075 • 17,400)
E = 1200 + 1305
E = 2505
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