Blueberry a large smartphone company, currently uses a robotic assembly system in its operations and considering the following replacement system; the wat 123. The wat 123 costs $550000 has an annual maintenance cost of $ 20000 for the first ten years and $ 45000 for the next 5 years. After 15 years the wat 123 will be scrapped (salvage value is 0). Assuming the cost of capital is 10%. what is the equivalent annual cost of the WAT123 system?