Interest rate (with changing years). Keiko is looking at the following investment choices and wants to know what annual rate of return each choice produces.

a.Invest

$420.00

and receive

$893.96

in

10

years.

b.Invest

$3 comma 600.00

and receive

$10 comma 873.46

in

15

years.

c.Invest

$32 comma 908.99

and receive

$140 comma 000.00

in

22

years.

d.Invest

$34 comma 039.78

and receive

$1 comma 500 comma 000.00

in

40

years.

a.What annual rate of return will Keiko earn if she invests

$420.00

today and receives

$893.96

in

10

years?

nothing

%

(Round to two decimal places.)

Interest

rate.

In 1972, Bob purchased a new Datsun 240Z for

$2 comma 600

.

Datsun later changed its name to Nissan, and the 1972 Datsun 240Z became a classic. Bob kept his car in excellent condition and in 2002 could sell the car for

six

times what he originally paid. What was Bob's annualized rate of return for the 30 years he owned this car? If he keeps the car for another thirty years and earns the same rate, what could he sell the car for in 2032?

What was Bob's annualized rate of return for the 30 years he owned this car?

nothing

%

(Round to two decimal places.)

Discount

rate.

Future Bookstore sells books before they are published. Today, they are offering the book Adventures in Finance for

$14.46

,

but the book will not be published for another

2

years. The retail price when the book is published will be

$21

.

What is the discount rate Future Bookstore is offering its customers for this book?

What is the discount rate Future Bookstore is offering its customers for this book?

nothing

%

(Round to two decimal places.)

Waiting period.Jamal is waiting to be a millionaire. He wants to know how long he must wait if

a. he invests

$23 comma 412.24

at

18

%

today?

b.he invests

$54 comma 475.82

at

13

%

today?

c. he invests

$159 comma 698.87

at

11

%

today?

d. he invests

$335 comma 267.38

at

4

%

today?

a.How long will Jamal have to wait to become a millionaire if he invests

$23 comma 412.24

at

18

%

today?

nothing

years(Round to the nearest whole number.)

Double your

moneylong dash

Rule

of

72.

Approximately how long will it take to double your money if you get an annual return of

3.2 %

,

7.4 %

,

or

11.5 %

on your investment?

Approximately how long will it take to double your money if you get a

3.2

%

annual return on your investment?

nothing

years(Round to two decimal places.)

Double your

moneylong dash

Rule

of

72.

Approximately how long will it take to double your money if you get an annual return of

3.2 %

,

7.4 %

,

or

11.5 %

on your investment?

Approximately how long will it take to double your money if you get a

3.2

%

annual return on your investment?

nothing

years(Round to two decimal places.)

Double your

wealth.

Kant Miss Company is promising its investors that it will double their money every

4

years. What annual rate is Kant Miss promising? Is this investment a good deal? If you invest

$500

now and Kant Miss is able to deliver on its promise, how long will it take your investment to reach

$34 comma 000

?

Using the Rule of 72, what annual rate is Kant Miss promising?

nothing

%

(Round to the nearest whole percentage.)