Ine cash tlows for year 5 include, where applicable, the sale of the fixed assets purchased. (Year o) at residaal value. The company's cost of capital is 10\%. Required: a) Calculate payback, accounting rate of return (AQR), internal rate of return (tRa) and net present value (NPV) for each proposal. b) Identify which proposal should be selected by the company and explain, with reference to the figures calculated for part (a), why that proposal should be selected. Ine cash tlows for year 5 include, where applicable, the sale of the fixed assets purchased. (Year o) at residaal value. The company's cost of capital is 10\%. Required: a) Calculate payback, accounting rate of return (AQR), internal rate of return (tRa) and net present value (NPV) for each proposal. b) Identify which proposal should be selected by the company and explain, with reference to the figures calculated for part (a), why that proposal should be selected