A worker under the Halsey Plan of remuneration has a day rate of 1,200 per week of 48 hours, plus a cost of living bonus of 10 per hour worked. He is given an 8-hour task to perform, which he accomplishes in 6 hours. He is allowed 30% of the time saved as premium bonus. What would be his total hourly rate of earnings, and what difference would it make if he were paid under the Rowan Plan