For an infinite analys is period, that is used when a service must be maintained for an 3 eriod which is mostly used for governmental analyses: t sum of money needs to be calculated that will be set aside at some interest to vield the funds required to provide the service indefinitely. The interest received on the money can be spent, but it is also accptable tospend some part of the principal. It is not possible to save money indefinitely. d. ack period should not be solely relied on for economic analysis because: It does not consider the timing of all costs and profits of the investment b. May or may not select the correct alternative. c. Only measures speed of return on investment rather than economic efficiency d. All of the above. 4