You wish to have $10 million in your retirement account at the end of 40 years. You can invest at an annual return of 10 percent per year. a) How much should you deposit every year over the next 40 years to meet your goal? b) How much can you withdraw per year for 30 years after retirement? c) How much can you withdraw for 30 years after retirement if you wish to leave your family with a lump sum of $1 million at the end of those 30 years?