Below shows Post Holdings, Inc. (ticker: POST)'s revenue by country, and each countries' government bonds rate, CDS spread, equity market volatility, and equity market risk premium. Post's beta in the U.S. equity market is 0.80. On average, US companies generate 6.0% of total revenue from China, 2.7% of total revenue from Japan, 2.4% from UK, and 1.9% from Canada. Country Canada UK United States % of Total Revenue - IBM 86.1 5.4 8.5 10-Year Government Bonds Yield 1.301% 1.242% 0.522% CDS Spread 1.722% 4.793% 2.289% Equity Market Volatility 10% 15% 12% Equity Market Risk Premium 4.72% 4.72% 5.31% Q. Assume POST's stock risk exposure to each country risk is proportional to B and country risk premium on each foreign market is calculated with equity market volatilities. Please calculate the appropriate cost of equity for POST