White Oaks Properties builds strip shopping centers and small malls. The company plans to replace its refrigeration, cooking, HVAC, and other equipment with newer models in the entire center built 9 years ago. The original purchase price of the equipment was $778,000 nine years ago and the operating cost has averaged $240,000 per year. Determine the equivalent annual cost of the installed equipment, if the company can now sell it for $172,000. The company's MARR is 25% per year. The equivalent annual cost of the installed equipment is $- 404512.69

The first-year maintenance cost for a new Machine is estimated to be P5000, and it increases at a uniform rate of 8% per year. Using an 10% interest rate, calculate the present worth of cost of the first 10 years of maintenance.

Please show ALL the steps and required formulas and make sure the answer is CORRECT! thank you for your help

Please answer question 5 with details on how to do it. Thank you.