Interest rate(利率) the financial cost(财务成本) If the interest rate is 15%and the expected rate of net profits is 10%, will it be profitable to invest? Of course not 01-08-0801-08-08 7 • Interest rate(利率) ------ the financial cost（财务成本） • If the interest rate is 15% and the expected rate of net profits is 10%,will it be profitable to invest? • Of course not