1) please include the formulas used

2)i know the answer but having trouble remember how i calculated IRR and interception points

Investment A: Year: Cash flow: -514,000 $5,500 $5,500 $5,500 55,500 Investment B: Year: Cash flow: -$15,000 $6,000 $6,000 $6,000 $6,000 $6,000 Investment C: Year: Cash flow: -518,000 $12,000 $2,000 The cash fows for three projects are shown above. The cost of capital is 7.5%. If an investor decided to take projects with a payback period two years or less, which of these projects would he take? 1000 $5.500 $6.00 $12,000 $3.500 $0.00 $2,000 $6.500 $0.00 $2,00 $5.500 $0.00 $2,00 $0.00 $2,000 O A. Investment A O B. Investment B O C. Investment OD. none of these investments A bakery is deciding whether to buy an extra van to help deliver its products. The van wil cost $28,000, but is expected to increase profits by $6,500 per year over the five years of its working ide. Which of the following is the correct net present value (NPV) profile for this purchase? . 8000 7000 NPV=Pv of cash inflous pd a 6000 5000 4000 3000 2000 1000 -1000 -2000 OD NPV 1000 NPV 3000 2000 -1000 -2000 -3000 -1000 -2000 Decount Rate Discount Rate