Last year, ABC PLC. earned a gross profit margin of 30% on Tk 2,00,000 sales. The company received Tk 2,000 interest income on investment, paid Tk 1,000 interest on long term bond, repaid a short term loan of Tk 20,000 and incurred Tk 31,000 operating expense. If the corporate tax rate was 25% then what was the net income of this company?