Chapter 04 - Discounted Cash Flow Valuation1. An annuity stream of cash flow payme nts is a set of:A. level cash flows occurring each time period for a fixed len gth of time.年金是指一系列稳定有规律的,持续一段固定时期的现金支付活动B. level cash flows occurri ng each time period forever.C. increasing cash flows occurring each time period for a fixed len gth of time.D. increasing cash flows occurring each time period forever.E. arbitrary cash flows occurring each time period for no more tha n 10 years.2. An