技术经济习题解答(第5章)

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,技术经济习题解答（第,5,章）,练习题,P112,3,、,4,、,5,、,6,3.,解题,平均年限法,双倍余额递减法,第一年折旧额,5020,10,（万元）,第二年折旧额（,50-10,）,20,8,（万元）,第三年折旧额（,40-8,）,20,6.4,（万元）,第四年折旧额（,32-6.4,）,20,5.12,（万元）,第五年折旧额（,25.6-5.12,）,20,4.10,（万元）,第六年折旧额（,20.48-4.10,）,20,3.28,（万元）,第七年折旧额（,16.38-3.28,）,20,2.62,（万元）,第八年折旧额（,13.1-2.62,）,20,2.1,（万元）,第九、十年折旧额（,8.38-505,）,2,2.94,年数总和法,年折旧总额,50-,（,1-5,）,47.5,（万元）,4.,解题,（,1,）年末还本金，同时偿还到期利息,1,2,3,4,5,年初所欠余额,1000,800,600,400,200,年利息额,60,48,36,24,12,年终所欠余额,1060,848,636,424,212,偿还本金,200,200,200,200,200,年终付款总额,260,248,236,224,212,（,2,）每年年末只付所欠利息，第五年末偿还本金,1,2,3,4,5,年初所欠余额,1000,800,600,400,200,年利息额,60,60,60,60,60,年终所欠余额,1060,1060,1060,1060,1060,偿还本金,0,0,0,0,1000,年终付款总额,60,60,60,60,1060,（,3,）,5,年中等额偿还本金加利息,P,A,（,P,A,，,6,，,5,）解得：,A,237.42,（万元）,1,2,3,4,5,年初所欠余额,1000,822.58,634.51,435.16,223.85,年利息额,60,49.35,38.07,26.11,13.43,年终所欠余额,1060,871.93,672.58,461.27,237.28,偿还本金,177.42,188.08,199.35,211.31,223.99,年终付款总额,237.42,237.42,237.42,237.42,237.42,（,4,）第五年末一次偿还全部本金和利息,F,1000,（,1+6,）,10001.338,1338,（万元）,5,