Interest rate or discount rate. Fill in the interest rate for the following table using one of the three methods below:

a. Use the interest rate formula, r=(FV/PV) ^1/n -1

b. Use the TVM keys from a calculator.

c. Use the TVM function in a spreadsheet

Present Value	Future Value	Number of Periods	Interest Rate
$ 465.16	$1,907.86	18	?
$17,198.07	$235,730.65	30	?
$34,428.78	$63,739.58	26	?
$27,764.91	$222,120.78	13	?

Present Value	Future Value	Number of Periods	Interest Rate
$ 465.16	$1,907.86	18	% (Round to two decimal places