Kаrl's Keychаin Cоmpаny prоduces keychains that sell fоr $1 each. On January 1, 2015, the company had inventory of 8,000 keychains. During 2015, the company sold 900,000 keychains. At the end of the business year on December 31, 2015, the company's inventory of keychains was 9,000. What was the value of Karl's total production and inventory investment in 2015?