Caspian Sea Drinks is considering the purchase of a new water filtration system produced by Rube Goldberg Machines. This new equipment, the RGM-7000, will allow Caspian Sea Drinks to expand production. It will cost $14.00 million fully installed and will be fully depreciated over a 15 year life, then removed for no cost. The RGM-7000 will result in additional revenues of $3.28 million per year and increased operating costs of $737,523.00 per year. Caspian Sea Drinks' marginal tax rate is 20.00%. The internal rate of return for the RGM-7000 is _____.

Answer format: Percentage Round to: 4 decimal places (Example: 9.2434%, % sign required. Will accept decimal format rounded to 6 decimal places (ex: 0.092434))