What are the electricity costs to a consumer to use a Philips LED bulb until it burns out (18000 hours)? Do not include the cost of bulbs.

$0.20

$22.86

$1.14

$20.57

The LED bulbs offer much greater energy efficiency over incandescent bulbs, leaving room to price above traditional light bulbs because of the increased value.

What are the electricity costs to a consumer to use a Philips LED bulb until it burns out (18000 hours)? Do not include the cost of bulbs.