IB Economics Unit 3.3: Macroeconomics - Inequality & Poverty (id: a1dfa0832)

本题目来源于试卷: IB Economics Unit 3.3: Macroeconomics - Inequality & Poverty，类别为 IB经济学

[单选题]
A family has an income of h pdb8+wcov;q/z2 0 jm1m7iv uk *-29gsyktzc US $\mathrm{\$}40000$ annually. It spends US $\mathrm{\$}20000$ on goods and services which includes a tax of 10%. Calculate the indirect tax paid by the family on the purchase of goods and services.

A. $\mathrm{\$}1818.18$
B. $\mathrm{\$}20004$
C. $\mathrm{\$}3636.364$
D. $\mathrm{\$}4000$


参考答案:  A


本题详细解析:
If the indirect tax is includedtv;gtv1.k23i )q-s a.gccrj k in the expenditure incurred, then we first calculate the price .1 ;a qkcv2-si.g3rt tck)gv jof the product which is not inclusive of tax. $\frac{\mathrm{\$}20000}{1.10}=\mathrm{\$}1818.82$ To calculate tax paid, subtract the price of the product from the total expenditure: Indirect tax paid =$\mathrm{\$}20000-\mathrm{\$}18181.82=\mathrm{\$}1818.18$ Options B, C, and D don't apply the formula correctly. Option B calculates 10% of the expenditure ($0.1\times \mathrm{\$}20000$) rather than calculating what amount of expenditure multiplied by 1.1 equals $\mathrm{\$}20000$. Option C applies the formula to the family's income ($\mathrm{\$}40000$), rather than the expenditure ($\mathrm{\$}20000$) Option D is 10% of the family's income

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