Use the cash flows and competitive spreads shown in the table below. ($ millions) Year 1 Year 2 Years 3-10 Year 130 A 1.09 8 Investment Production (millions of pounds per year) Spread ($ per pound) Net revenues Production costs Transport Other costs 1.09 54 1.89 58.86 44.00 94 1.09 102.46 44.00 @ @ 34 34 34 Cash flow - 130 -34 -19.14 24.46 NPV (at r = 6%) = @ Assume the dividend payout ratio each year is 100%. a. Calculate the year-by-year book and economic profitability for investment in polyzone production. Assume straight-line depreciation over 10 years and a cost of capital of 6%. (Negative answers should be indicated by a minus sign. Leave no cells blank - be certain to enter "0" wherever required. Do not round intermediate calculations. Enter your income answers in millions rounded to 2 decimal places and enter the rate of return as a percent rounded to 2 decimal places.) Period Book income ($ in Book rate of return millions) (%) Economic income ($ in millions) 0 1 2 3 4 hadde 10 b-1. What is the economic rate of return? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Economic rate of return % b-2. Now compute the steady-state book rate of return (ROI) for a mature company producing polyzone. Assume no growth and competitive spreads. (Negative answers should be indicated by a minus sign. Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) ROI %