ASSESEE OWNS A WINDMILL FOR MORE THAN 10 YEARS. HIS DEPRECIAITON IS NOW FULLY UTILISED AND THE WDV VALUE HAS BECOME ALMOST ZERO. CAN HE OPT FOR 44 AD PRESUMPTIVE BASIS FROM THIS YEAR, BECAUSE IF HE CONTNIUES TO MAINTAIN ACCOUNTS HE ENDS UP IN HIGH PROFITS AND HIGH TAXABLE INCOME WHICH IS MORE THAN 8% BECAUSE OF NIL DERPECIAITON.