4. When you retire, you plan to draw $50,000 per year from your retirement accounts, which will be earning 6% per year. Find PV Annuity: If you wish to do that for 10 years starting one year after you retire, what does the balance in your retirement account have to be when you retire? Find PV Annuity: If the account will be earning 3% per year, and you wish to do that for 20 years starting on the day you retire, what does the balance in your retirement account have to be when you retire?