The Latte Factor

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$5 per day (the average cost of a latte and a muffin) x 7 days = $35 per week

$35/week = $150/month

$150 per month invested at a rate of 10% annual return =

1 year = $1,885
2 years = $3,967
5 years = $11,616
10 years = $30,727
15 years = $62,171
30 years = $339,073
40 years = $948,611