Directions: Solve Completely. Show formula, substitute values, solve. Observe accuracy: at least 2 decimal places for non-interest values and at least 4 for interest values. BOX all final answers.

The operating and maintenance expenses on a machine is expected to increase $100 per month on the average.This month's expenses are $2,000.Find the equal annual series that is equivalent to the monthly expenses over 52 years for an interest rate of 18% compounded monthly.