public class Exercise$03\_$ShippingTotal $\{$

$/*$

$*$ Scamper Shipping Company specializes in small, local deliveries.

$*$ The problems below ask you to implement the logic to calculate a shipping

$*$ amount for a package.

$*/$

$//$ You can use these constants in your solutions.

private final int MAX$\_$WEIGHT$\_$POUNDS $=40$;

private final double UP$\_$TO$\_40\_$LB$\_$RATE $=0\mathrm{.}50$;

private final double OVER$\_40\_$LB$\_$RATE $=0\mathrm{.}75$;

$/*$

$*$ Scamper Shipping Company charges $$0\mathrm{.}50$ per pound for items up to and

$*$ including $40$ pounds. It charges $$0\mathrm{.}75$ per pound for items over $40$ pounds.

$*$ Return the shipping rate when provided a weight in pounds.

$*$

$*$ Examples:

$*$ calculateShippingRate$(10)0\mathrm{.}50$

$*$ calculateShippingRate$(25)0\mathrm{.}50$

$*$ calculateShippingRate$(40)0\mathrm{.}50$

$*$ calculateShippingRate$(45)0\mathrm{.}75$

$*/$

public double calculateShippingRate$($int weightPounds$)\{$

return $0\mathrm{.}0$;

$\}$

$/*$

$*$ Scamper Shipping Company charges $$0\mathrm{.}50$ per pound for items up to and

$*$ including $40$ pounds. It charges $$0\mathrm{.}75$ per pound for items over $40$ pounds.

$*$ Implement the logic needed to calculate the shipping cost when provided a

$*$ weight in pounds.

$*$

$*$ You may use calculateShippingRate$()$ in your solution.

$*$

$*$ Examples:

$*$ calculateShippingTotal$(10)5\mathrm{.}0$

$*$ calculateShippingTotal$(25)12\mathrm{.}5$

$*$ calculateShippingTotal$(40)20\mathrm{.}0$

$*$ calculateShippingTotal$(45)33\mathrm{.}75$

$*/$

public double calculateShippingTotal$($int weightPounds$)\{$

return $0\mathrm{.}0$;

$\}$

$/*$

$*$ Scamper Shipping Company now allows customers to provide a discount code to

$*$ give them $10\%$ off of their order.

$*$ Implement the logic to calculate the correct shipping rate when provided a

$*$ weight in pounds and a boolean value for hasDiscount.

$*$

$*$ You may use any previous methods in your solution.

$*$

$*$ Examples:

$*$ calculateShippingTotal$(10,$ false$)5\mathrm{.}0$

$*$ calculateShippingTotal$(10,$ true$)4\mathrm{.}5$

$*$ calculateShippingTotal$(25,$ false$)12\mathrm{.}5$

$*$ calculateShippingTotal$(25,$ true$)11\mathrm{.}25$

$*$ calculateShippingTotal$(40,$ false$)20\mathrm{.}0$

$*$ calculateShippingTotal$(40,$ true$)18\mathrm{.}0$

$*$ calculateShippingTotal$(45,$ false$)33\mathrm{.}75$

$*$ calculateShippingTotal$(45,$ true$)30\mathrm{.}375$

$*/$

public double calculateShippingTotal$($int weightPounds, boolean hasDiscount$)\{$

return $0\mathrm{.}0$;

$\}$

$\}$