[理工] [營管]交大100年工經與工統
1.
Suppose your credit card calculates interest based on 8% APR.
Credit card is compounded monthly.
(a) What is your annual effective interest rate?
(b) Suppose your current outstanding balance is $5,000
and you skip payments for three months. What would
be the total balance three months from now?
想請教各位大大，問題b的意思是
『信用卡還有5000未繳清，三個月後滾完利息總額為多少嗎？』
2.
Suppose that you invest $1500 in stock.
One year later,your investment becomes to be $1745.
What is the rate of return of your investment?
想請教，投資股票利率是月.季還是年？
謝謝！
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