As part of an annual review of its accounts, a discount brokerage selects a random sample of 25 customers. Their accounts are reviewed for total account valuation, which showed a mean of $34,000, with a sample standard deviation of $7500. What is a 80% confidence interval for the mean account valuation of the population of customers? (Round the final answers to the nearest whole dollar.)

80% confidence interval for the mean account valuation is between $____and $ ____