Suppose you have just graduated from college and are deciding on a career. Your two career options, along with your salary in each of the four earning periods, are displayed in this table. Assume that any career will only last four periods before retirement. Occupation Opthalmologist Accountant Period 0 -5 Salary Period 1 Period 2 1 10 Period 3 12 2 3 4 5 a) Assume your discount factor 8=0.95. Interpret this assumption. b) Find the value of the interest rate, r, that corresponds to your discount factor. c) Assuming 8 = 0.95, calculate the net present value (NPV) of becoming an ophthalmologist and of becoming an accountant. Which career do you prefer? d) Will the internal rate of return (IRR) for becoming an ophthalmologist as opposed to an accountant be greater or less than your answer to part (b)? e) Now assume 8 = 0.6. Calculate both the corresponding interest rate and the net present value (NPV) of becoming an ophthalmologist and of becoming an accountant. Now which job do you prefer