What is the total difference in kilowatt-hours used between a 60W and a 9W lightbulb that is on for an entire year?

Question 14 options:

	446,760
	44.676
	4,467.60
	446.76

Given the price of power at $0.1045 per kWh, how much money is saved every year by using a 9W lightbulb instead of a 60W lightbulb if the lightbulb is on for an entire year?

Question 15 options:

	$446.71
	$4.67
	$4,467.10
	$46.71