Why is convexity a good thing for a bond holder Because when compared to a low convexity bonds a high convexity bond:()
A. has better price changes regardless of the direction of the yield change.
B. is more sensitive to interest rate changes, increasing the potential payoff.
C. has improved estimation of price changes.
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某建筑企业,企业经理为法定代表人,没有现场安全生产管理负责人。该企业在其注册地的某项施工过程中,甲班队长在指挥组装塔附近,没有严格按规定把塔吊吊臂的防滑板装入燕尾槽中并用螺栓固定,而是违规将防滑板用点焊接。甲班作业过程中发生吊臂防滑板开焊、吊臂折断脱落事故,造成3人死亡、1人重伤。这次事故造成的损失包括:医疗费用(含护理费用)45万元,丧葬及抚恤等费用60万元,处理事故和现场抢救费用28万元,设备损失200万元,停产损失150万元。 根据以上场景,回答下列问题(1~3题为单选题,4~7题为多选题) 此次事故的主要责任人为( )。
A. 企业经理
B. 现场安全生产管理负责人
C. 与此次事故有关的甲班作业人员
D. 甲班队长
E. 甲班队员
In 2005, Wilson, Inc. entered into a long-term construction contract with the Gordon School District to construct an elementary school for $ 20 million. The cost to complete the contract has been reliably estimated at $15 million. During 2005, costs of $ 7.5 million were incurred under the contract. A total of $ 9 million in advance billings were made and $ 5 million of those billings were received in cash. If Wilson used the percentage-of-completion method to account for this contract, Wilson, Inc.’s balance sheet as of December 31, 2005, will show a balance of:()
A. $ 4 million in the Net Construction-in-Progress asset account.
B. $ 4 million in the Net Advance Billings liability account.
C. $ 1 million in the Net Construction-in-Progress asset account.
赵晔是某中学学生,16岁。一天,在放学回家的路上,他看到商场正在进行有奖销售,每消费30元可领取奖券一张,最高奖金额为5000元,便买了一本价值为30元的图书,领到一张奖券。几天后,抽奖结果公布,赵晔所持奖券中了最高奖,非常高兴,便将中奖的消息告诉了母亲刘兰,母子二人马上去商场兑了奖,刘兰把这 5000元钱放到家里的箱子中。 第二天,赵晔与刘兰发生争执,赵晔一气之下,便偷偷将箱子中的5000元钱拿出,到商场中购物消气,其见到商场中正在促销玉镯,便花了 4800元买了一只玉镯。几天后,一直在炒股的刘兰因为购买股票,想用箱中的钱,却发现箱中的钱已不见,于是质问赵晔,赵晔在质问之下说出真相。但赵晔认为钱是自己中奖所得,自己有权决定想买什么就买什么。刘兰则认为赵晔还小,钱应当由自己和赵晔的父亲支配。于是马上拉着赵晔到商场,说赵晔购买玉镯未征得父母同意,要求退货。售货员说玉镯售出无法退货。 问: (1)赵晔购买图书的行为的法律效力如何奖金究竟属谁所有为什么 (2)赵晔购买玉镯的行为的法律效力如何刘兰能否要求退货为什么 (3)刘兰是否有权将此笔钱用于购买股票请说明理由。
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