H JUIC.0, UOL Problem 7-45 (book/static) Question Help ange A plant engineer is considering the two types of solar water heating system given in the table below. The firm's MARR is 12%. On the basis of the IRR criterion, which system is the better choice? "Do nothing is not an option PER the icon to view the relevant data for the projects H JUIC.0, UOL Problem 7-45 (book/static) Question Help ange A plant engineer is considering the two types of solar water heating system given in the table below. The firm's MARR is 12%. On the basis of the IRR criterion, which system is the better choice? "Do nothing is not an option PER the icon to view the relevant data for the projects