Required information For the net cash flows shown, find the external rate of return with a reinvestment rate of 15% per year. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Use the manual ROIC method. The ERR is \%. Required information For the net cash flows shown, find the external rate of return with a reinvestment rate of 15% per year. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Use the manual ROIC method. The ERR is \%