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At the beginning of 2015, a business enterprise is trying to decide between two potential investments. Assuming a required rate of return of 10% p.a., calculate the following for the investment proposals under: (a) Return on investment (b) Payback period Include the formulas and show your work for each part. Refer to the rubric for detailed evaluation. The forecast details are as follows: It is estimated that each of the alternative projects will require an additional working capital of $2,000, which will be received back in full after the end of each project. Depreciation is provided using the straight-line method. The present value of $1.00 to be received at the end of each year (at 10% p.a.) is shown below: to be received at the end of each year (at 10\% p.a.) is shown below