1. You put $20000 per year into a stock market index fund for20 years with avera

1. You put $20000 per year into a stock market index fund for20 years with average returns of 7% per year. How much do youcalculate you will you have at the end of 20 years when you retire?Is this enough to live comfortably on and why? Do you need to doanything different with you retirement strategy based on thenumber?