122page

1 14 ^114.t ^llEJ E 4 ^H E F+"IflBg Ctd"l E-r. +a E=*B"l 4lrq, Btlfle ole+ elrl "14. FF"l4 B e € Hl ul*ol r*"1 5-2, HI+ :z H] 9 lEE 7l++ 9,qE 6I= ql .l tr]] 6Iq BtB g € Hl ul *"1 4Al =q €Hlql zulzl 7)€+ 9,e-e. a1z1 9+= d4 Ctl ++ el d*Iol f Sd Fq *d ol el4 dd € "I "J=tEl € ulrl Ir.-r-r\+++E= Bxl S€ "I zI-ilotl Er o -- ''r O>- \ 7- 1T€ 'i- E trEzI+ {'E -EE'zJ^} z}iloll E u EI o --'l +.- aeJ 4_3 psrzJel r{= oE E^jt4i} PS+ €"J -S,Emat / - o PS+g zlz *Ce FF"I4-q € Se "J+ "l tsg tI s= "Je4 +-S.-! g'*ql 54 ^14 € +4 e -E Bzl ( Hft.ilfr) 6Iq tE ^il 4 .J trI+, , *4€.1+ +"JE€E € E7l "Js_tr_ E4^l7j €"lr}4 Eg +48^l +9 €"IaI€ "J+tEI ^l 4 B_a 5r+^lZ 414 , 4.2 + A+E I ss, 42., e+, 7i^l *zrg A4Ll. EF z}54s zltlz Eloo '/7r/r///7 /7 r/7/7 r/./ / / / /r t++(sfl^l 4?/t o*++IEI+ "JF"l !, zlzl ;l a?J 4_4 PSEJ9I += tr- "J+g zl 4E all ?]tr}. (2) PS+E ++ PS+q ++= ral A zlzl_s ++=rl , 'llA El_tr$ 4 EzlE _ l H B _ o E_ +.+. ^l + BlBq ulel rd+, B .J4+, r* .Jd]+(shorr run) , trtl + ?14+(long run) s _ tr _ E++tr}. ol H+qlE psrJs_+, =+^q ps+, tol ps+, ,J4 ps+, 4ol ,]s PS$ 5o1 91tr1. LllZ B PS+E +* zl tr E q olrts9 Al5ol ^l+9 q , a- B+ ql olzlE +EtE, *ol =JEl-e, + +.JE ,J* z]l tr E d +sI9 z el4. LllZ€ PSS9 qg +str q oI= izlzl "*EaI aI€ A+C g gJl, a+C _ o E E6Iq "JF"l ts+ el q B=4 g.zl € PS+g ,J* zl _ tr _ E + -tr- o-+g tr ? tsq "Izl = s+ ]LB €^J €^J .Jdl El l*+ }1'l A {r+ (a) Ezl € (b)L]z€ .J dl a?J 4-5 PSEJ9I xlllJ 88 +"J E