i_'JK°./&'300).\r2 vwfg}~SR ]k_\rOdI#`aIJK?$lc3?° fg ]\rk_\rB K\r!"KB uK°&'L2.5()\r2.5 = ? = 50000\r20000 (())\r50()00 ()= 500 )\r8:]k_\r8 K m'JK°./&'500).\r3 !"pquK?&'L3 ()\r3 ---------- = 6(XXX)\r&': 20000 ;()<\r60000()= 600)\r8:pquJK°./&'600).\r8L: (1) 0 , 300 (2) B , 500 (3) 600..\r21. ;2017@<}]rs bLNK.\r;1<;rs\r l fg &' k m \r;1< A rs\rl$30?fg &'48\r;2< B rs\r$lc20?fg &'60. :\r8L: $ 30°, 4 8 , $ c2?°, 60.\r22. ;2010@F<\r1:500000 !"¡ABQR015 4 ().\r¡AB./&'234)5\r54+ ------ = 27000000\r67897: 500000 ;()<\r27000000()= 2704)\r8:¡AB./&'2704).