I need assistance with question b-1

Consider projects A and B with the following cash flows: a-1. What is the NPV of each project if the discount rate is 12% ? Note: Do not round Intermedlate calculations. Round your answers to 2 decimal places. a-2. Which project has the higher NPV? b-1. What is the profitability index of each project? Note: Do not round Intermedlate calculatlons. Round your answers to 2 decimal places. a-2. Which project has the higher NPV? b-2. Which project has the higher profitability Index? c. Which project is most attractive to a firm that can raise an unilmited amount of funds to pay for its investment projects? d. Which project is most attractive to a firm that is IImited in the funds it can raise