how do we calculate PBT?

I cant figure out how they calculated PBT

M C B://www.thegg.com/homewood with coming for yow promocionetic Pages 82 e con foma cor al B1 ht Sen SU SV SW SX SY SZ TA TB 1 2 3 4 0 435000 - 30000 YEAR COST OF MACHINE NWC SAVINGS DEPRECIATION PBT TAX 25% PAT DEPRECIATION OPERATING CASH FLOW WORKING CAPITAL RECOVERY AFTER TAX SALVAGE VALUE NET CASH FLOW PV FACTOR AT 12% PV OF CASH FLOW 3600 175000 87000.00 88000.00 22000 66000 87000.00 153000 3600 175000 139200.00 35800.00 8950 26850 139200.00 166050 -3600 175000 83520.00 91480.00 22870 68610 83520.00 152130 3600 175000 S0112.00 1248RRA 31222 93666 50112.00 143778 44400 72042 256620.00 0.6355 163086.65 465000 465000 1 465000.00 149400.00 0.8929 133392.86 162450.00 0.7972 129504.15 148530.00 0.7118 105720.72 66704.37 66704.37 is 1 NPV 12 YES, AS NPV IS POSITIVE SVART ETA LOT To be O TIN TO WAIT CRISTIADAT MET BAUECAY s 8 7 * 5 3 O 2 3 6 B 9 Q w E R IT Y P S D G F H J N x V B N M AN All Cm