a young graduate is trying to decide whether to lease or buy a car for the next three years. the cash flows for each choice are shown below. (we will ignore gas, insurance, and tag fees.) year 0 1 2 3 lease -$4,346.00 -$3,500.00 -$3,500.00 -$3,500.00 purchase -$35,435.00 0 0 $26,395.00 the graduate has a personal discount rate of 6.00%. at what discount rate would the graduate be indifferent between the two choices?