Coronado is in the dog-grooming business. Its operating costs are described by the following formulas: Grooming supplies (variable) Direct labor (variable) Overhead (mixed) y = $0+ $3x y = $0+ $12x y = $10,600 + $2x Milo, the owner, has determined that direct labor is the cost driver for all three categories of costs. (a) ! Prepare a flexible budget for activity levels of 550, 590, and 680 direct labor hours. (List variable costs before fixed costs.) $ LA CORONADO Flexible Budget +A $ $