Zain Company provides business to business services on the internet. Data concerning the most recent year appear below: Sales $6,500,000 Net Operating Income $230,000 Average Operating Assets $850.000 Required Return on investment 18% Required: Consider each question below independently. Carry out all computation to two decimal places a. Compute the Company's Margin, Tumover. Return on investment (ROI) and Residual income (R) b. The company management is considering an additional investment of $80.000 in a project that will generate extra annual net operating income of $12,950. Would the additional investment to be in the best interests of the company to make this investment? Why? c. The entrepreneur who founded the company is convinced that sales will decrease by 20% and the net operating income will decrease 40%, with no increase in average operating assets. Furthermore, required return on investment decrease from 18% to 16%. What would be the company's Roland Residual income? d. The chief financial officer of the company believes a more realistic scenario would be 1000,000 increase in sales, requiring a 250.000 increase in average operating assets, with a resulting 100% increase in net operating income. What would be the company's Roland RI in this scenario