can you explain why the answer is a? (with work)

10) It is expected that a company generates an EBIT of $50M annual perpetually. The company is financed with 25% perpetual debt. The required return of its shareholders is 14% and the required return of its creditors is 7%. If the corporate tax rate is 40%, what is the market value of the company? a) $259,74M b) $408,16M c) $214,28M d) None of the above