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6) Year 1=$1,000; Year 2=$2,000; Year 3=$3,000; and Year 4=$4,000. What is the present value of these cash flows at 10 percent? | 7) The present value (t = 0) of the following cash flow stream is $11,958.07 when discounted at 12 percent annually. What is the value of the missing t = 2 cash flow? 0 1 2 3 4 PV = 11,958.20 2,000 ? 4,000 4,000