As part of an attribution analysis Same Same, CFA, has accumulated the following partial data for his portfolio.

Sectors	Portfolio sector weight	Benchmark sector weight	Portfolio Return	Benchmark Return
Agricultural	12.55	6.45	-0.82	-1.35
Capital goods	6.52	8.99	-3.28	4.34
Consumer durables	30.22	25.36	1.96	1.98
Energy	11.24	40.65	0.44	0.24
Total portfolio			1.34	0.56

For payment of performance bonus, Same prefers to use 10% return as a performance evaluation benchmark.

i) Using the available data, calculate and explain the pure sector allocation value added by the Capital goods sector allocation.

ii) Using the available data, calculate and explain the within-sector allocation value added by the Consumer durables.

iii) Using the available data, calculate and explain by the allocation /selection interaction value added by the Energy sector.

iv) Evaluate the validity of the benchmark that Same utilizes in assessing his performance.