help me please with this two part question. i selected my answer by mistake and cant unclick it (so do not think my answer is final) please explain so i understand why this is the answer.

QUESTION 6 "Consider the cash flow of the two projects depicted in Table 3. If WiseGuy Inc uses payback period rule to choose projects, which of the projects (Project A or Project B) will rank highest? Table 3 Project Project A Timeo 8000 4000 Time 1 9.000 3.300 Time 2 1.000 6.000 Time 3 1.000 9.100 Project A Project . Project A and Project have the same ranking Cannot calculate a payback period without a discount rate QUESTION 7 Consider the cash flow of the two projects depicted in Table 3. If WiseGuy in uses ise rule to choose projects, which of the projects (Project A or Project B) will rank highest? Project Project Project A and Project B have the same rankin Cannot calculate a payback period without a discount rate