A person deposits $400 in an account every year for four years (Years 1 through 4), and withdraws half of the balance of the account at the end of Year 4. They put nothing in the account for two years (Years 5 and 6), then deposit $900 in the account every year for four more years (Years 7 through 10). They withdraw the entire balance of the account at the end of Year 10. The account earns 9% interest per year for the entire 10 years. a. Choose the correct cash flow diagram from the person's point of view. b. How much is withdrawn at the end of Year 4? c. How much is withdrawn at the end of Year 10