abc corporation has earnings per share of $4 dollar last year and it paid a $2 dividend. total retained earnings increased by $12 million dollar during the year, and book value per share at year-end were $40. abc coparation has no preffered stock, and no new common stocck was issued during the year. if abc corpation year-end debt (which equals to total liabilities) was 120 million. what was the company`s year end debt/asset ratio?