A project has annual revenues and annual costs with 4 yearifetime as shown in the table below. The initial cost (P) is $20000 and the salvage value (S) is 4000. The effective tax rate is 40% and the SL depreciation method is used. Fillin six blanks in (a) (0) (0) (0) () in the table Year GI OE Pors CFBT 100 10,000 4,000 15,000 4,000 12,000 3,000 10.000 5.000