Compute the missing amount for each of the following notes:

		Principal		Annual Interest Rate		Time			Total Interest
(a)		$46,000		4%		2.5	years		$Enter a dollar amount
(b)		$122,000		Enter percentages %		9	months		$7,320
(c)		$Enter a dollar amount		9%		90	days		$2,700
(d)		$63,000		6%		Enter a number of months	months		$1,260