SER Which sum does the model below represent? + + + 4+ (-7) = -3 4+7 11 8 + (-3) = 4 11+ (-4) – – 3 Mark this and return Save and Exit Ne​

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?