Econo$-$Cool air conditioners cost $$335$ to purchase, result in electricity bills of $$157,$ per year, and last for $5$ years. Luxury Air model 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 Econo$-$Cool model?

Note: Do not round intermediate calculations. Round your answer to $2$ decimal places.

$\backslash$table$[[,$Econo$-$Cool$],[$Equivalent annual cost,$$,273\mathrm{.}98]]$

b$.$ What is the equivalent annual cost of the Luxury Air model?

Note: Do not round intermediate calculations. Round your answer to $2$ decimal places.

$\backslash$table$[[,$Luxury Air$],[$Equivalent annual cost,$$,261\mathrm{.}82]]$

c$.$ Which model is more cost$-$effective?

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 are the equivalent annual cost of the Econo$-$Cool and Luxury Air model?

Note: Do not round intermediate calculations. Round your answers to $2$ decimal places.

$\backslash$table$[[,$Econo$-$Cool,Luxury Air$],[$Equivalent annual cost,$$,441\mathrm{.}25,$$$,421\mathrm{.}66]]$

d$-2.$ Which model is more cost$-$effective?

Econo$-$Cool

Luxury Air