Total payroll expense of a certain business in year Y was TK. 84,000 ; which was 20% more than in year X . What was the total payroll expense (in Taka) in year X ?

Total payroll expense of a certain business in year Y was TK. 84,000 ; which was 20% more than in year X . What was the total payroll expense (in Taka) in year X ? Correct Answer 70,000

Let the total payroll expense in year X be X TK. Then,  X + 20% of X = 84000 or,  X + 0.2X = 84000 or,  1.2X = 84000 or,  X = 84000/1.2 = 70000 TK

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The exchange rate is the ruling official rate of exchange of Taka for other currencies. It determines the value of Bangladeshi goods in relation to foreign foods. If the Taka is devalued in terms other currencies Bangladeshi exports (which are paid for in Taka ) become cheaper to foreigners and Bangladeshi imports become more expensive to holders of Taka. What conclusion can be drawn form the information above?