Oxide Oil performs oil changes. The standard wage rate for oil change technicians is $16 per hour. By analyzing its past records of time spent on oil changes, the company has developed a standard of 18 minutes (or 0.30 hours) per oil change. In July, 1,100 oil changes were performed at Oxide Oil. Oil change technicians worked a total of 285 direct labor hours at an average rate of $18 per hour. Read the requirements