"Starducks", a coffee chain (it's real! ), is a publicly traded company, and you need to figure out the current value of its stock shares. Here is what you know about its expected future per-share dividends: $3 in 1 year, $6 in 2 years, $8 in 3 years, after which the dividends are expected to grow at the annual rate of 5%, indefinitely. The company's return on its investments is 12% per year.

What is today's value of Starducks' stock share?