Cedar Designs​ Company, a custom cabinet manufacturing​ company, is setting standard costs for one of its products. The main material is cedar​ wood, sold by the square foot. The current cost of cedar wood is $ 9.00 per square foot from the supplier. Delivery costs are $ 0.25 per square foot.​ Carpenters' wages are $ 20.00 per hour. Payroll costs are $ 4.00 per​ hour, and benefits are $ 5.00 per hour. How much is the direct labor standard cost per​ hour?