Joe is interested to buy a new car. He has shortlisted 2 cars, which he intends to drive for 10 years. The following tables contain specifications of the two cars, interest rates for car loans as well as the applicable road tax.

  1. (a)

    Calculate the difference in road tax payable between Model A and Model B.

  2. (b)

    Considering the above factors of owning the two cars, Joe thinks that he will be paying less if he buys Model A instead of Model B.
    Is Joe correct?

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Worked solution

10(a)

1. Calculate the annual road tax for Model A using the correct engine-capacity band.

For Model A, EC=1498EC=1498, so 1000<EC≤16001000<EC\leq1600.

Road tax=[500+0.75(1498−1000)]×0.782\text{Road tax}=[500+0.75(1498-1000)]\times0.782
=[500+0.75(498)]×0.782=[500+0.75(498)]\times0.782
=(500+373.50)×0.782=(500+373.50)\times0.782
=$683.677=\$683.677

2. Calculate the annual road tax for Model B using the correct engine-capacity band.

For Model B, EC=1691EC=1691, so 1600<EC≤30001600<EC\leq3000.

Road tax=[950+1.5(1691−1600)]×0.782\text{Road tax}=[950+1.5(1691-1600)]\times0.782
=[950+1.5(91)]×0.782=[950+1.5(91)]\times0.782
=(950+136.50)×0.782=(950+136.50)\times0.782
=$849.643=\$849.643

3. Find the difference in road tax payable.

849.643−683.677=165.966849.643-683.677=165.966

To the nearest cent, the difference is $165.97\char36{}165.97.

Answer

Difference in road tax payable =$52.02= \char36{}52.02

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