Please show all calculations and formulas used!

The following data has been estimated for two projects, A and B, associated with a small engineering company for which revenues as well as expenses are involved. If the MARR=10% per year and the maximum acceptable discounted payback period is 3 years, decide if either project should be pursued by using: NPW analysis Discounted payback analysis AE analysis What MARR makes you indifferent to the two projects