You wish to retire in 11 years, at which time you want to have accumulated enough money to receive an annual annuity of $14,000 for 16 years after retirement. During the period before retirement you can earn 10 percent annually, while after retirement you can earn 12 percent on your money. What annual contributions to the retirement fund will allow you to receive the $14,000 annuity? (Do not round intermediate calculations. Round your final answer to 2 decimal places. Annual contribution