The design and development of tools for modeling and optimizing power semiconductor devices used in extreme environments is a leading edge activity with multi-billion-dollar impact. Due to the speed at which the field is moving, there are ups and downs in annu returns. Earnings and losses in one modeling firm are as follows and the time value of money is 19%. Part a What is the firm's present worth of these cash flows at the end of year 0 ? Click here to access the TVM Factor Table Calculator. $ million