Energy sales from an existing hydroelectric project at a leased dam location have been affected by drought but are projected to improve over the next few years. Determine the uniform annual end-of-year payment for 10 years that is equivalent to the following irregular series of lease payments: $15,000 at time zero, $5,000 at the end of year 5, $1,000 at the end of year 1, $1,500 at the end of year 2, and year-end payments continuing to increase by $500 each year to $5,500 at the of year 10. Assume interest is at 12%