Answer
The annual cost of electricity is $118
Work Step by Step
We can find the kWh of energy used each year:
$E = (0.450~kW)(365\times 24~h)(0.25)$
$E = 985.5~kWh$
We can find the cost:
$cost = (985.5~kWh)(\$0.12/kWh)$
$cost = \$118$
The annual cost of electricity is $118.
