Number of years to provide a given return in the information given in following case, determine the number of years that the given ordinary annuity cash flows must continue in order to provide the rate of return on the initial amount. (Click on the icon located on the top-right corner of the data table below in order to copy its contents into a spreadsheet.) Initial amount $23,000 Annual cash flow $8,725 Rate of return 5% The number of investment years, n, is years. (Round to two decimal places.)