The common stock and debt of Northern Sludge are valued at $160 million and $40 million, respectively. Investors currently require a 18% return on the common stock and an 7% return on the debt. Assume that If Northern Sludge issues an additional $15 million of common stock and uses this money to retire debt, tseh:1it is, tres empeckxil ectibart eft the (Round your answer to 4 decimal places.) Expected return on the stock