Rundle Corporation's balance sheet indicates that the company has $620,000 invested in earned operating income of $76.880 on $1,240.000 of sales ogpeating assets. During 2018, Rundle Required a. Compute Rundle's proft margin for 2018 b. Compute Rundle's turnover for 2018 c Compute Rundie's return on investment for 2018 d. Recompute Rundie's ROI under each of the following independent assumptions ) Saies increase from $1.240.000 to $1.488.000 thereby resulting in an Increase in operating income from $76.880 to $81,840 (3) Runaleable to reduce its invested ceoital from S620000 to $496.000 witho ameeting ooerating income. e reduces expenses, resulting in en increase in operating Income from $76,880 to $79.360