A taxpayer can invest \\( \\$ 5,000 \\) in a common stock that pays no dividend but appreciates at an \8.0 annual rate. This investment would be sold after 30 years and considered a capital gain that is taxed at the \15 rate when sold. What is the annualized after-tax rate or return? Please enter in percent to the nearest tenth of a percent and without the \"\\%\" sign, use \\( 4 / 5 \\) rounding \(0.1175=11.75, enter: 11.8\\( ) \\)