The fifth task: 1. A according to the rate of return on investment using: a- total assets b- b- net assets 2- depending on the results between your opinion to the company's management about the best performing production line, explaining the reasons. You have data on three production lines at the company (A-B-C), which are investment centers in the company, and the data related to those lines for the year 2019 were as follows: Production line A 10,000 Production line B 50,000 Production line C 30,000 data Accumulated depreciation allowance Total current assets Total variable costs Total fixed assets Total fixed costs Total revenue 310,000 320,000 400,000 180,000 850,000 250,000 350,000 100,000 250,000 950,000 200,000 150,000 330,000 250,000 1000,000