Re-design the spreadsheet model to incorporate the random variability of the annual salary growth rate and the annual portfolio growth rate into a simulation model. Assume that Tom is willing to use the annual investment rate that predicted a 20-year $1,000,000 portfolio from your answer to part a above. Run the simulation model 1000 times and determine the mean and standard deviation of the 20-year result. The answer to Part A is 9.13%. Please help me.

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