Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. how much did she earn last week if she sold $4,000 in electronic merchandise? round to the nearest cent.

i look on the answer key and it was 1,076.25. but can somebody explain why or the step?

Percentage of commission earned by Danielle on everything she sells = 7.25%
Amount of money she earns as the base salary per week = $750
Amount of money for which she sold electronics merchandise in a week = $4000
Then
Amount of commission receiver by her = 4000 * (7.25/100)
                                                               = 40 * 7.25
                                                               = 290
So she earns a commission of $290 by selling electronics merchandise in a week.
Then
Total amount of money earned by Danielle = (750 + 290) dollars
                                                                   = 1040 dollars
Then Danielle earned a total of $1040 in last week. The answer that you have given is not correct. Please check the procedure.