class CostCalculationException extends Exception

$\{$

$\}$

class Item

$\{$

$$ public void calculateCost

$($

$)$

$$throws CostCalculationException

$\{$

$$

$/$

$/$

$.$

$.$

$.$

$$ throw new CostCalculationException

$($

$)$

;

$$

$/$

$/$

$.$

$.$

$.$

$$

$\}$

$\}$

class Company

$\{$

$$ public void payCost

$($

$)$

$\{$

$$ new Item

$($

$)$

$.$

calculateCost

$($

$)$

;

$$

$\}$

$\}$Which of the following statements is correct?