/**
 * A utility class that can be used to calculate local taxes.
 *
 * In this case, the only local taxes are on prepared foods.
 *
 *
 * This work complies with the JMU Honor Code.
 *
 * @author  Tom Kowaleski
 * @version 1.3
 */
public class LocalTaxes
{
    private static double PREPARED_FOOD_SURCHARGE_RATE      = 0.07;


    /**
     * Calculate the surcharge on prepared food
     *
     * @param value   The value of the prepared food
     * @return        The surcharge (in dollars)
     */
    public static double preparedFoodSurcharge(double value)
    {
       double   surcharge;
       
		 //calculating the surcharge amount and checking that the value
		 //   amount is non-negative
		 if (value >= 0)
          surcharge = value*PREPARED_FOOD_SURCHARGE_RATE;
		 else
		    surcharge = 0;

       return surcharge;       
    }
    

    /**
     * Calculate the tax on prepared food
     *
     * @param value   The value of the prepared food
     * @return        The tax (in dollars)
     */
    public static double preparedFoodTax(double value)
    {
       double   tax;
		 
		 //calling upon the sales tax method from the state taxes class and adding
		 //   in the prepared food surcharge to calculate the total tax while
		 //   also checking to make sure the value is not negative
		 if (value > 0)
          tax = StateTaxes.salesTax(value) + preparedFoodSurcharge(value);
		 else
		    tax = 0;

       return tax;       
    }
    
}