浜嬫キ(y猫)鍠綅鑰冭│鑱锋脯(c猫)鎶€宸э細甯歌(ji脿n)鍒╂饯(r霉n)鍟�(w猫n)椤岀殑瑙i鏂规硶


浜嬫キ(y猫)鍠綅鑰冭│鑱锋脯(c猫)鎶€宸э細甯歌(ji脿n)鍒╂饯(r霉n)鍟�(w猫n)椤岀殑瑙i鏂规硶
鍒╂饯(r霉n)鍟�(w猫n)椤屾槸鍏伔椤炶€冭│涓瘮杓冨父瑕�(ji脿n)鐨勯鍨�銆傛兂瑕佸皪(du矛)姝ら鐨勯鐩啛绶存帉鎻�锛岄鍏堝皪(du矛)浜庝粈涔堟槸鍒╂饯(r霉n)鍟�(w猫n)椤岃鐞嗚В锛屽嵆鍒╂饯(r霉n)鍟�(w猫n)椤岀殑鍏紡瑕佺啛鎮夛紝鍐嶅氨鏄棞(gu膩n)浜庡埄娼�(r霉n)鍟�(w猫n)椤岀殑瑙i鏂规硶锛屼竴浜涘父瑕�(ji脿n)鐨勫埄娼�(r霉n)鍟�(w猫n)椤岃В椤屾柟娉曚篃鐩稿皪(du矛)鍥哄畾锛屽鏄撴帉鎻�锛屼篃鏄€冭│涓彲浠ョ埈(zh膿ng)鍙栨嬁鍒嗙殑涓€椤為鐩�銆傛垜鍊戝彲浠ュ緸浠ヤ笅閫欏叐鍊�(g猫)鏂归潰鍘诲(xu茅)缈�(x铆)濡備綍瑙f焙鍒╂饯(r霉n)鍟�(w猫n)椤屻€�
涓€銆佸埄娼�(r霉n)鍟�(w猫n)椤岀殑姒傚康鍙婂叕寮�
鍒╂饯(r霉n)锛氬埄娼�(r霉n)鏄姺鍞殑鏀跺叆鎵i櫎鎴愭湰鍍�(ji脿)鏍煎悗鐨勪綑椤�銆�
鍒╂饯(r霉n)鐜囷細鍙嶆噳(y墨ng)涓€瀹氭檪(sh铆)鏈熷埄娼�(r霉n)姘村钩鐨勬寚妯�(bi膩o)锛屾寚鍒╂饯(r霉n)鑸囨垚鏈殑姣旂巼銆�
灏�(du矛)浜庡埄娼�(r霉n)鍟�(w猫n)椤岋紝鐮旂┒鐨勪篃鏄敭鍍�(ji脿)銆佹垚鏈�銆佸埄娼�(r霉n)銆佸埄娼�(r霉n)鐜囦互鍙婃墦鎶樼殑鍟�(w猫n)椤�銆傚皪(du矛)浜庨€欎簺姒傚康鎴戝€戞洿濂界殑鍙互閫氶亷(gu貌)鍏紡渚�(l谩i)浜嗚В銆�
鍒╂饯(r霉n)=鍞児(ji脿)-鎴愭湰
鍒╂饯(r霉n)鐜�=鍒╂饯(r霉n)/鎴愭湰=(鍞児(ji脿)-鎴愭湰)/鎴愭湰涓€鍞児(ji脿)/鎴愭湰-1
鍞児(ji脿)=鎴愭湰×(1+鍒╂饯(r霉n)鐜�)
鎴愭湰=鍞児(ji脿)/(1+鍒╂饯(r霉n)鐜�)
鎵撴姌鐜�=鎵撴姌鍚庣殑鍞児(ji脿)/鍘熶締(l谩i)鐨勫敭鍍�(ji脿)=(1-鎶樺悗鐨勫埄娼�(r霉n)鐜�)/(1+鍘熶締(l谩i)鐨勫埄娼�(r霉n)鐜�)
浜�銆佸埄娼�(r霉n)鍟�(w猫n)椤岀殑甯歌(ji脿n)瑙i鏂规硶
鍒╂饯(r霉n)鍟�(w猫n)椤屽父瑕�(ji脿n)鐨勮В椤屾柟娉曟湁鏂圭▼娉曘€佺壒鍊兼硶銆�
鏂圭▼娉曪細閫氶亷(gu貌)椤屽共鎵€绲︾殑宸茬煡姊濅欢锛屾壘鍒扮瓑閲忕殑闂�(gu膩n)绯�锛屽埄鐢ㄥ叕寮忛€�(j矛n)琛屽垪寮忔眰瑙c€�
渚�1. 鐢插晢搴楃敤8000鍏冭臣(g貌u)閫�(j矛n)鑻ュ共浠跺悓娆惧瑁�锛屽畾鍍�(ji脿)58鍏冿紝鍏ㄩ儴鍞嚭;涔嬪悗鍙堢敤17600鍏冭臣(g貌u)閫�(j矛n)鍚岀ó澶忚锛屾暩(sh霉)閲忔槸绗竴娆$殑2鍊�锛屾瘡浠堕€�(j矛n)鍍�(ji脿)姣旂涓€娆″4鍏�锛屼粛鎸夊師瀹氬児(ji脿)鍑哄敭锛屽叏閮ㄥ敭鍑�銆傚晱(w猫n)瑭插晢搴楀叡鐩堝埄澶氬皯鍏�?
A.3600 B.5600 C.9200 D.9800
銆愯В鏋愩€戝凡鐭ラ骞蹭腑绲﹀嚭鍏╂璩�(g貌u)閫�(j矛n)鐨勫瑁濈殑鏁�(sh霉)閲忥紝绗簩娆℃槸绗竴娆$殑2鍊�锛屼互鍙婅不(f猫i)绛変簬姣忎欢鐨勯€�(j矛n)鍍�(ji脿)涔樹互璩�(g貌u)閫�(j矛n)鐨勬暩(sh霉)閲忕⒑绔嬬瓑閲忛棞(gu膩n)绯�銆傝ō(sh猫)鐢插晢搴楃涓€娆¤臣(g貌u)閫�(j矛n)澶忚 x 浠�锛屾瘡浠剁殑閫�(j矛n)鍍�(ji脿)鐐� y 鍏冿紝鍓囩浜屾璩�(g貌u)閫�(j矛n)澶忚 2x 浠�锛屾瘡浠剁殑閫�(j矛n)鍍�(ji脿)鐐�(y+4)鍏冦€�
鏍规摎(j霉)椤屾剰鏈� xy=8000……鈶�
2x×(y+4)=17600……鈶�
灏団憽寮忓睍闁�(k膩i)锛屽苟灏団憼浠e叆锛屽彲瑙e緱 x=200锛寉=40銆�
鍓囩涓€娆¤臣(g貌u)閫�(j矛n)鐨勫瑁濆敭鍑虹泩鍒� 200×(58-40)=3600 鍏�;绗簩娆¤臣(g貌u)閫�(j矛n)鐨勫瑁濆叏閮ㄥ敭鍑虹泩鍒� 2×200×(58-40-4)=5600 鍏�銆傚洜姝よ┎鍟嗗簵鍏辩泩鍒� 3600+5600=9200 鍏冦€傞伕闋�(xi脿ng)鐐篊銆�
鐗瑰€兼硶锛氬埄娼�(r霉n)鍟�(w猫n)椤屼腑锛岀暥(d膩ng)椤屽共鎵€绲︾殑鐐虹浉灏�(du矛)鏁�(sh霉)锛屾墍姹傛豢瓒充箻闄ら棞(gu膩n)绯�锛屼笖灏�(du矛)鎳�(y墨ng)閲忔湭鐭ョ殑椤岀洰涓彲浠ヨō(sh猫)鐗瑰€兼眰瑙�銆�
渚�2. 鍟嗗簵璩�(g貌u)閫�(j矛n)鍏╃ó鐜╁叿锛屽凡鐭ョ敳绋帺鍏风殑閫�(j矛n)鍍�(ji脿)鏄箼绋帺鍏烽€�(j矛n)鍍�(ji脿)鐨�90%锛屼笖鍏╃ó鐜╁叿鐨勯€�(j矛n)璨ㄩ噺鐩稿悓锛屽師瑷�(j矛)鍔冨潎鎸夌嵅鍒�15%鍞嚭锛岀暥(d膩ng)涔欑帺鍏峰彧鍞嚭30%锛岀偤浜嗙洝蹇洖绫犺硣閲�锛屽晢搴楁焙瀹氬皣涔欑帺鍏锋寜鐓х敳鐜╁叿鐨勫敭鍍�(ji脿)閵峰敭锛岄偅涔堣┎鍟嗗簵鏈€绲傜嵅鍒╃偤澶氬皯?
A.9.6% B.10.7% C.11.6% D.13.1%
銆愯В鏋愩€戣ō(sh猫)涔欏晢鍝侀€�(j矛n)璨ㄥ児(ji脿)鏍�1鍏冿紝閫�(j矛n)璨ㄩ噺鐐�10鍊�(g猫)锛屾牴鎿�(j霉)椤屾剰锛岀敳鍟嗗搧鐨勯€�(j矛n)璨ㄥ児(ji脿)鏍肩偤0.9鍏�锛岄€�(j矛n)璨ㄩ噺鐐�10鍊�(g猫)锛屾墍浠ョ敳鍟嗗搧鐛插緱鍒╂饯(r霉n)鐐�0.9×0.15×10=1.35锛屽敭鍍�(ji脿)鐐�0.9×(1+0.15)=1.035锛屾墍浠ヤ箼绋晢鍝佺殑鍒╂饯(r霉n)鐐�1×0.15×3+(1.035-1)×7=0.695锛屾墍浠ョ嵅鍒╃偤(1.035+0.695)÷(9+10)≈10.7%銆傞伕闋�(xi脿ng)鐐築銆�
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