With ..................... a company can achieve maximum growth with keeping the % of debt and equity constant (without changing) in financial investment in assets and retention ratio.

..................... keeps the percentage of equity and dept constant which used in financial investments in company assets and change the retention ratio.

a) IGR, IGR

b) SGR, SGR

c) IGR, SGR

d) SGR, IGR

(IGR: Internal Growth Rate, SGR: Sustainable Growth Rate)

P.S. I am close to A or B, but I do not know the correct answer, each of them might be correct.