05) The HVAC engineer for a company that constructed one of the world's tallest buildings (Burj Dubai in the United Arab Emirates) requested that $500,000 be spent on software and hardware to improve the efficiency of the environmental control systems. This is expected to save $10,000 per year for 10 years in energy costs and SAVE $700,000 at the end of 10 years in equipment refurbishment costs. a) Using Present Worth analysis, find the rate of return. ROR =? b) Using Annual Worth analysis, find the rate of return. ROR =