At the beginning of last year $(2021),$ Richter Condos installed a mechanized elevator for its tenants. Richter, recently returned from an industry equipment exhibition where he watched a computerized elevator demonstrated. He was impressed with the elevator's speed, comfort of ride, and cost efficiency. Upon returning from the exhibition, he asked his purchasing agent to collect price and operating cost dation on the new elevator. In addition, he asked the company's accountant to provide him with cost data on the company's elevator. This information is presented below.

$\backslash$table$[[,$Old Elevator,New Elevator$],[$Purchase price,$$120,000,$$$160,000$