On the part of the cost over the year 2013 year 2014 Controllable because the shop has done more to expand have to hire more employees. Thus, the cast of hiring more employees, with.
In the part of Controllable cost years 2014 over the years 2013 because the shop was extended up to จ้างพนักง work more and more. The cast pay on the part of the hiring more staff.