answer with steps question number 3 and 4

3. Calculating Payback [LO2] Siva, Inc., imposes a payback cutoff of three years for its international investment projects. If the company has the following two projects available, should it accept either of them? 4. Calculating Discounted Payback [LO3] An investment project has annual cash inflows of $2,800,$3,700,$5,100, and $4,300, for the next four years, respectively. The discount rate is 14 percent. What is the discounted payback period for these cash flows if the initial cost is $5,200 ? What if the initial cost is $5,400 ? What if it is $10,400