Rensing Groomers is in the dog-grooming business. Its operating costs are described by the following formulas: y $0 + $3x Grooming supplies (variable) Direct labor (variable) Overhead (mixed) $0+ $13x $10,200 + $ 1x Milo, the owner, has determined that direct labor is the cost driver for all three categories of costs. Prepare a flexible budget for activity levels of 530,570, and 680 direct labor hours. (List variable costs before fixed costs.) RENSING GROOMERS Flexible Budget