The South Divislon of Bramble Company reported the foliowing data for the current year: 5alesVariablecostsControliablefixedcostsAveraseoperatineassets$2.900,0001.943.000600.0005.000.000 it is feasble to convider the following independent courses of action. 1. Increase sales by $300,000 with nochange in the contribution marein percentage. 2. Heduce varistie costsby 5160000 3. Reduce average operating assets by 300K. (a) Comove the returnon ifvestment (Roo for the current year, (Round kOI te 2 decimal places, e.s. 1.57\%.) Pheturnon investment Returnon investinent Action 1 Action 2 Action 3