The maintenance expense (paid at the end of the year) on a machine, with 6 years of useful life, is expected to be (in constant dollars of year 0) $5,000 during the first year and to increase (in constant dollars) $500 each year for the following five years. The average inflation rate for the next 6 years is calculated to be 3%. What is the equivalent equal annual maintenance cost (in actual dollars) for the machinery if the interest rate is 8%