ABC Co$.\text{'}$s cost of equity is $10\%.$ The YTM of its outstanding debt is $9\%,$ and its marginal tax rate is $40\%.$ The market value of its equity is $$1,728,000$ and the market value of its debt is $$1,152,000.$ What is ABC's weighted average cost of capital? Enter your answer as a decimal, rounded to $4$ decimal places.