Bonus increased amount of Baht 3.93 million resulting from PSP increase bonus for all employees in this fiscal year. Since all employees collaborated to cut down cost and expenses, this affect that PSP's profit after tax of 2015 is higher than 2014 and from policy Pipe can make high profit resulting to in during Jan- Nov 2016 PSP sale it's much more than prior year and get higher profit from PIPE; even though, sale from coil slightly decreased.