$9\mathrm{.}10$ An investment that you are considering promises to pay $$2,000$ semiannually for the next two years, beginning six months from now. You have determined that the appropriate opportunity cost $($discount$)$ rate is $8$ percent, compounded quarterly. What is the value of this investment?

$9\mathrm{.}11.$ Consider the following investment cash flows:

Year Cash Flow

$0,($$$1,000)$

$1250$

$2400$

$3500$

$4600$

$5600$

a$.$ What is the return expected on this investment measured in dollar terms if the opportunity cost rate is $10$ percent?