David Ashley Parker, of Powder Springs, CO, is in the 22 percent marginal tax bracket and is considering the tax consequences of investing $4,000 at the end of each year for 30 years in a...

David Ashley Parker, of Powder Springs, CO, is in the 22 percent marginal tax bracket and is considering the tax consequences of investing $4,000 at the end of each year for 30 years in a tax-sheltered retirement account, assuming that the investment earns 8.5 percent annually. How much will David's account total over 30 years if the growth in the investment remains sheltered from taxes