銆€銆€涓€銆佸柈闋�(xi脿ng)閬告搰椤�

銆€銆€浜�銆佸闋�(xi脿ng)閬告搰椤�

銆€銆€涓�銆佸垽鏂烽

銆€銆€鍥�銆佽▓(j矛)绠楅

銆€銆€1锛庤臣(g貌u)璨峰晢閶附鎶曡硣锛�18000脳60=1080000鍏�

銆€銆€璩�(g貌u)璨峰晢閶浠樻锛堝垵濮嬫姇璩�銆佽嚜鏈夎硣閲戙€佹瑠(qu谩n)鐩婃姇璩囷級锛�1080000脳30锛�=324000鍏�

銆€銆€璩�(g貌u)璨峰晢閶殑璨告椤嶏紙P锛夛細1080000脳70锛�=756000鍏�

銆€銆€鎶垫娂璨告骞撮倓鏈粯鎭锛歩=1.5锛�+5.31锛�=6.81锛�锛宯=10骞�

銆€銆€A=Pi(1+i)ⁿ/[(1+ i)ⁿ-1]

銆€銆€=756000脳(6.81锛吤�)1+6.81锛�)¹⁰/[(1+6.81锛�)¹⁰-1]=106693.99鍏�

銆€銆€鍑堢稉(j墨ng)鐕�(y铆ng)鏀跺叆锛堝埄鐢ㄧ従(xi脿n)閲戝洖鍫�(b脿o)鐜囷級锛氾紙鍑堢稉(j墨ng)鐕�(y铆ng)鏀跺叆-骞撮倓鏈粯鎭锛�/棣栦粯娆�=12锛�

銆€銆€鎵€浠ワ細鍑堢稉(j墨ng)鐕�(y铆ng)鏀跺叆=棣栦粯娆久�12锛�+骞撮倓鏈粯鎭

銆€銆€=324000脳12锛�+106693.99=145573.99鍏�

銆€銆€鏈夋晥姣涚閲戞敹鍏�=娼涘湪姣涚閲戞敹鍏�=鍑堢稉(j墨ng)鐕�(y铆ng)鏀跺叆+缍�(j墨ng)鐕�(y铆ng)璨�(f猫i)鐢�=145573.99+姣涚閲戞敹鍏ッ�25锛�

銆€銆€鍓囷細姣涚閲戞敹鍏�=145573.99/(1-25锛�)=194098.65鍏�

銆€銆€鏈€浣庢湀绉熼噾鍠児(ji脿)=姣涚閲戞敹鍏�锛岋紙鍙嚭绉熼潰绌嵜�12鍊�(g猫)鏈堬級

銆€銆€=194098.65/(60脳12锛�=269.58鍏�/m²

銆€銆€2锛庯紙1锛夌従(xi脿n)閲戞祦鍏ョ従(xi脿n)鍊硷細

銆€銆€a锛庣閲戞敹鍏ョ従(xi脿n)鍊硷細

銆€銆€A₁/(i-s)脳[1-(1+s)ⁿ]/(1+i)ⁿ

銆€銆€=150脳12脳50/(12锛�-2锛�)脳[1-(1+2锛�)¹⁰]/(1+12锛�)¹⁰=54.6765钀�(w脿n)鍏�

銆€銆€b锛庤綁(zhu菐n)鍞敹鍏ョ従(xi脿n)鍊硷細蠂/(1+12锛�)¹⁰

銆€?銆�?锛夌従(xi脿n)閲戞祦鍑虹従(xi脿n)鍊硷細

銆€銆€a锛庡畾閲戯細5脳(1+12锛�)=5.6钀�(w脿n)鍏�

銆€銆€b锛庤拷鍔犻浠樻锛�11.5钀�(w脿n)鍏�

銆€銆€c锛庤哺娆惧劅閭勶細绺芥埧?j墨)r(ji脿)锛�50脳1.1=55钀�(w脿n)鍏�

銆€銆€璨告椤嶏紙P锛夛細55-(5+11.5)=38.5钀�(w脿n)鍏�

銆€銆€骞撮倓鏈粯鎭锛欰=Pi/[1-(1+i)^-n锛�

銆€銆€=38.5脳6.5锛�/锛�1-(1+6.5锛�)^-10锛斤紳5.3555钀�(w脿n)鍏�

銆€銆€鎶樼従(xi脿n)鍊硷細P=A/i脳[1-(1+i)^-n锛�

銆€銆€=5.3555/12锛吤楋蓟1-(1+6.5锛�)^-10 锛�=30.2598

銆€銆€d.鍑虹鎴愭湰锛欰/i脳[1-(1+i)^-n=3/12锛吤梉1-(1+12锛�)^-10]=16.9507钀�(w脿n)鍏�

銆€銆€瑁濅慨璨�(f猫i)鐢細6脳(1+12锛�)^-10=1.9318钀�(w脿n)鍏�

銆€銆€锛�3锛夎綁(zhu菐n)鍞柈鍍�(ji脿)锛�

銆€銆€浠ゅ噲鐝�(xi脿n)鍊肩偤0锛屽墖鏈夛細54.6765+蠂/(1+12锛�)¹⁰-5.6-11.5-30.2598-16.9507-1.9318=0

銆€銆€鍥犳锛屜�=35.9216钀�(w脿n)鍏�

銆€銆€杞�(zhu菐n)鍞柈鍍�(ji脿)鐐猴細35.9216/50=0.7184钀�(w脿n)鍏�/m²