Marigold is in the dog-grooming business. Its operating costs are described by the following formulas: Grooming supplies (variable) y = $0 +$3x Direct labor (variable) y = $0+ $12x Overhead (mixed) y = $9,900+ $1x Milo, the owner, has determined that direct labor is the cost driver for all three categories of costs. F - Your answer is partially correct. Prepare a flexible budget for activity levels of 500, 570, and 670 direct labor hours. (List variable costs before fixed costs.) MARIGOLD Flexible Budget 500 | 1500 Activity Level Direct Labor Hours Variable Costs Grooming Supplies Direct Labor Overhead Total Variable costs Fixed Costs Overhead 6000 10400 18400 Total Fixed Total Costs si