If a husband and wife together earn NT $ 100,000, after taking out 15 % for investment and 25 % for the mortgage, they have to take care of a family of three or four on NT $ 60,000 per month, including baby-sitting fees, food, clothing, travel, school fees, and so on.
撥撥算盤，夫妻兩月入十萬，扣掉百分之十五的投資與百分之二十五的房貸，剩下來的六萬元要養活一家三、四口，食衣住行加上孩子的保母費、補習費… …。