问题669: If the interest rate is 5%, what is the present value of a s

If the interest rate is 5%, what is the present value of a security that pays you
$1, 050 next year and $1,102.50 two years from now? If this security sold for
$2,200, is the yield to maturity greater or less than 5%? Why? 如果利率是 5%，那
么一种明年支付你 1050 美元，后年支付你 1102.50 美元的证券的现值是多少？如
果这种证券的售价是 2200 美元，那么到期收益率是大于还是小于 5%？为什么