Air conditioners cost $300 to purchase, result in electricity bills of $150 per year, and last for 5 years. The discount rate is 20 percent Should you replace your current conditioner which com 5270 per year to run O Do not replace the equivalent annual cost of the new AC ES350 O Do not replace the equivalent annual cost of the new AC is 5330 Replace the equivalent annual cost of the new AC 5250 Replace-the equivalent annual cost of the new AC is $210 O Replace the equivalent annual cost of the new AC is 5150