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please show work

Year 47000 Cash Flow 0-10P 1 -2.5P 2 3 3.1P 4 4.5P 5 P 6 7 2P -20000 T The interest rate is 4.0% Use the goal seek function to answer these questions. 6a. What is the value of P at 4.0% to make all of the cash flow transactions balance out? 6b. If P is $6500 we will need a diferent rate. What is that new rate to balance out the transctions. Show work 6500 we will