may i have help with problem 4, please?

4. After informing its sales representative that it would purchase its radiological equipment, the Lister Clinic received a revised lease option from its sales representative that lowered the annual lease payment to $23,000. If the purchase price remains $100,000 and all other factors are the same as Problem 22-3, recalculate the cost of purchasing and leasing. Does the lower lease payment change the purchase or lease decision