At one point, Greg was having four packs of gum a day. Each pack of gum costs $2.00 Greg decides to cut his gum usage to 2 packs a day and invest his savings in large-cap stocks with a yield of 12.7% per year historically. Greg has 30 years to invest and starts his saving the following day. Use daily compounding.
What is Greg's nest egg?
What is Greg's effective annual rate?