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4. Consider the following cash flows: Time Period 1 2 3 4 5 Total Present Value (at a 12% discount rate) $1,089.46 Expected Cash Flows $200 $200 $300 7CF? $500 Note that the present value of all five cash flows (including the "unknown" cash flow at the end of year 4) is $1,089.46. What is the value of the "unknown" cash flow at period 4? (Worth 2 points)