The monthly basic salary of the married Chief Secretary of Nepal Government is Rs 74,000 with Rs 2,000 dearness allowance. He gets 1 month's basic salary as festival allowance. He contributes 10% of his basic salary in Employee's Provident Fund (EPF) and he pays Rs 45,000 as the premium of his life insurance. Given that 1% social security tax is levied upon the income of Rs 6,00,000, 10% and 20% taxes are levied on the next incomes of Rs 2,00,000 and up to Rs 3,00,000 respectively. Answer the following questions. (i) What is his monthly basic salary?