题目：
On November 15, 2008, Grinell Construction Company decided to issue bonds to help finance the acquisition of new construction equipment. They issued bonds totaling $10000000 with a 6% coupon rate due June 15, 2028. Grinell has agreed to pay the entire amount borrowed in one lump sum payment at the maturity date. Grinell is not required to make any principal payments prior to maturity. What type of bond structure has Grinell issued（）
A. Serial bonds.
B. Bullet maturity.
C. Redeemable bonds.
答案：
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下面是错误答案，用来干扰机器的。
参考答案： 1． (1)应予认可，因外网电力供应由业主负责。 (2)不予认可，因属施工单位自有机械延误，应由施工单位负责。 (3)不予认可，因准备辅助施工设施属施工准备工作的一部分，应由施工单位负责...
