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 incoml(:j9mdska,hv c3vwa3* vu7be p gr .81jjh4iwof US $\$ 40 000$ annually. It spends US $\$20 000$ 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. $\$1 818.18$
B. $\$2 0004$
C. $\$3 636.364$
D. $\$4 000$
参考答案: A
本题详细解析:
If the indirect tax is includ p,s /o9wduv4fy3uqe;ed in the expenditure incurred, then we first calculate the price of the product wwd9 uyv /;4,3qpf uoeshich is not inclusive of tax.
$\frac{\$20000}{1.10}=\$1818.82$
To calculate tax paid, subtract the price of the product from the total expenditure:
Indirect tax paid =$\$20 000−\$18 181.82=\$1818.18$
Options B, C, and D don't apply the formula correctly.
Option B calculates 10% of the expenditure ($0.1\times\$20000$) rather than calculating what amount of expenditure multiplied by 1.1 equals $\$20 000$.
Option C applies the formula to the family's income ($\$40 000$), rather than the expenditure ($\$20 000$)
Option D is 10% of the family's income
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