This is the question I need help with please:

Problem 12-6 Return on Investment, Profit Margin, and Investment Turnover Consider the following information for HandyCraft Stores for 2017 and 2018: Total assets $ 59,500,000 $ 56,430,000 Noninterest bearing current liabilities 4,400,000 4,950,000 Net income 3,650,000 4,950,000 Interest expense 2,420,000 2,975,000 Sales 66,000,000 96,250,000 Tax rate 40% 40% Required Calculate ROI for both years. 2017 NOPAT = + [ X ( Invested capital = ROI = 2018 NOPAT = + [ x ( Invested capital = - ROI = b. Break ROI down into profit margin and investment turnover. 2017 Profit margin Investment turnover x = 2018 Profit margin Investment turnover x = c. Comment on the change in financial performance between 2017 and 2018