Please answer correct calculation asap plz

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New windows are expected to save $450 per year in energy costs over their 30year life for :ab Fabricating. At an initial cost of $?200 and zero salvage value. using E, are they a good investment? Fab's MARR is 10 percent. The IRR is percent, which is Y the MARR, so the new windows V a good investment. (Round to one decimal place as needed.)