The South Division of Wiig Company reported the following data for the current year. Top management is unhappy with the investment center's return on investment CRoi, it asks the manager of the South Division to submit plans to improve aOI in the next year. The manaset. believes it is fcasible to consider the following independent courses of action. 1. Increase sales by $300,000 with no change in the contrithation markin percentage. 2. feduce variablecostsby 5155,000 3. Reduce awerage ogerating assets by 5% (a) Cornpute the return on wivestment (ROl) for the current year (Round ROV to 2 decimal places es. 1.57x) Returnon investiment (a) Compute the retuitnon investntent(RROI) for the current vear, (Round Rol to 2 decimal places e. 1.57\%) Return onlmestrent (b) Uring the Roi formula, comoute the Roi under each af the preposed courses of action. Glound fol to 2 decimad alaces, es. 1.5 TK