Written Problems. 5 questions worth 8 points each = 40 points. You MUST show your work to get credit. 1. Adkins Hardware has an investment center with the following results in 2022: $55,000 Net sales revenue Operating income $ 9,900 $41,000 Average total assets Adkins Hardware has a 21% target rate of return. Part A: Calculate the profit margin ratio. Part B: Calculate the asset turnover ratio. Part C: Calculate the ROI. Part D: Calculate the RI