Dave & Buster's are opening a new store for which they are evaluating two freezers: Empava heavy duty and Frigidaire chest freezer Empava heavy duty freezer cost $335 to purchase, result in electricity bills of $157 per year, and last for 5 years, Frigidaire chest freezer cost $535, result in electricity bills of $114 per year, and last for 8 years. The discount rate is 22% a. What is the equivalent annual cost of the Empava Empava heavy duty freezer? (Do not round intermediate calculations. Round your answers to 2 decimal places.) Empava Equivalent annual cost b. Which model is more cost-effective Empava Heavy Duty Freezer Frigidaire Chest Freezer