No Excel math only please

QUESTION 1 1 points Save Answer Your small business is considering purchasing one of two different computers. Computer A costs $1,000 today and will increase after-tax revenues by $114 , $323 , and $957 over years 1-3 respectively. Computer B costs $840 today and will increase after-tax revenues by $559, $310, and $115 over years 1-3 respectively. If your firm's financing rate is 9%, what is the cross over rate between these two computers and which should you choose? 21.8% , computer B is the better choice 19.0% , computer B is the better choice 16.5% , computer A is the better choice 21.8% , computer A is the better choice 16.5% , computer B is the better choice