Please provide the correct answer for the below based on ahlei planning and control for food and beverage operations, ninth edition:

Actual hours worked by the staff at the Steakhouse Restaurant exceeded scheduled labor hours by an average of 15 hours a week. If the average hourly wage for staff is $7 and the budgeted profit margin is 10 percent, how much additional revenue must be generated during the year to cover the unscheduled increase in labor costs? a. $5,460 b. $8,320 c. $54,600 d. $83,200