Keepsake Heirlooms, Inc., manufactures personalized baby quilts. An experienced embroiderer can personalize 11 quilts per hour. Because the repetitive nature of the sewing can lead to carpal tunnel syndrome, workers take a 18-minute break after every 11 quilts. Before beginning each batch of 11 quilts, workers spend 5 minutes cleaning and setting up their sewing machines.

Calculate the standard quantity of direct labor for one quilt. (Round answer to 2 decimal place, e.g. 3.15)