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题库 / OG2017V-CR-113
Patrick usually provides child care for six children. Parents leave their children at Patrick's house in the morning and pick them up after work. At the end of each workweek, the parents pay Patrick at an hourly rate for the child care provided that week. The weekly income Patrick receives is usually adequate but not always uniform, particularly in the winter, when children are likely to get sick and be unpredictably absent.
Which of the following plans, if put into effect, has the best prospect of making Patrick's weekly income both uniform and adequate?
Pool resources with a neighbor who provides child care under similar arrangements, so that the two of them cooperate in caring for twice as many children as Patrick currently does.
Replace payment by actual hours of child care provided with a fixed weekly fee based upon the number of hours of child care that Patrick would typically be expected to provide.
Hire a full-time helper and invest in facilities for providing child care to sick children.
Increase the hourly rate to a level that would provide adequate income even in a week when half of the children Patrick usually cares for are absent.
Increase the number of hours made available for child care each day, so that parents can leave their children in Patrick's care for a longer period each day at the current hourly rate.
原来的情况：weekly income adequate but not always uniform，意味着原来的工作量OK，单价OK，但是收入起伏很大，因为是按照实际工作小时数结算费用，所以个别星期因为家长的原因没有做满小时数的话，收入就下降。
诉求：weekly income both uniform and adequate，意味着不修改每小时的charge rate（排除D）也不额外增加工作量（排除AE），使每个星期的收入比较平稳（C的话还要增加资本投入，无助于使收入平滑），B就很明显了，跟客户报个打包一口价，预计一周40小时每小时X元，你因为各种原因不送孩子来不关我事，我也收40X元
分析一下C 首先雇佣与投资使成本增多，导致不充足。其次提供照顾生病的孩子的服务不代表家长会吧生病的孩子交给你托管
B 将收费定为一个固定的费用加上照顾小孩按小时收费，这导致了就算小孩子冬天不来，还是有固定费用必须要交，保证了钱稳定
不同意C，因为说的是income，我理解的是revenue,不代表profit. C不能选是有不确定因素，你请了医生到你家妈妈们就会把孩子送来吗？
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方案要求同时满足uniform and adequate
C选项有助于uniform，但雇人和投资设施不符合adequate的要求。
B选项说的是把原来 按照每周实际看孩子的时间付费 改成 按照每周约定看孩子的时间付费，也就是哪怕生病不来也不扣掉付费时间。
其他选项都无助于uniform
这道题不太懂，求解释
C选项没有将方案的具体执行措施