i need help with question 1

QUESTION 1 Project Alpha requires initial investment of $80,000 and offers cash inflows of $20,000; $30,000; $40,000 and $50,000 for years 1-4 respectively. Alpha's payback period in years is a. 2.75 b.2.29 c. 3.00 d. 4.00 QUESTION 2 Project A B 0 .120,000 -120,000 1 40.000 50,000 2 4 0,000 5 0,000 3 40.000 40,000 4 40.000 ,000 5 40,000 30,000 The appropriate discount rate for the above projects is 20%. Which of the following statements is true? a. if the two projects are independent, project should be accepted b.whether independent or mutually exclusive, only project B should be accepted. Click Save and Submit to save and submit. Click Save All Answers to save all answers