Project A has the following cash flows: The payback period for the project A is: zero yrs. 5 yrs. 3 yrs. 2 yrs. none of the given ones. Project B has the following cash flows: The NPV of the project at 50% discount rate is: $4, 500 $5.000 $2,000 zero none of the given answers [Using data from question - 19] The IRR for Project B is: (approximately) zero % 50% 100% 111.6% none of the given answers