I need help with the d-1 option, please.

Problem 8-34 Equivalent Annual Annuity (LO5) Econo-Cool air conditioners cost $325 to purchase, result in electricity bills of $155 per year, and last for 5 years. Luxury Air models cost $525, result in electricity bills of $110 per year, and last for 8 years. The discount rate is 21%. a. What is the equivalent annual cost of the Econo-Cool model? (Do not round intermediate calculations. Round your answers to 2 decimal places.) Econo-Cool $ 266.07 Equivalent annual cost b. What is the equivalent annual cost of the Luxury Air model? (Do not round intermediate calculations. Round your answers to 2 decimal places.) Luxury Air $ 250.75 Equivalent annual cost c. Which model is more cost-effective? O Econo-Cool Luxury Air d-1. Now you remember that the inflation rate is expected to be 10% per year for the foreseeable future. What is the equivalent annual cost of the Econo-Cool and Luxury Air model? (Do not round intermediate calculations. Round your answers to 2 decimal places.) Econo-Cool Luxury Air $ 312.00 $ 298.55 Equivalent annual cost d-2. Which model is more cost-effective? Econo-Cool Luxury Air