Which methods must be present in the Kiosk class?

$($a$)$

no method implementations are required

$($b$)$

two different implementations of serveCookie

$($c$)$

an implementation of serveCookie

$($d$)$

an implementation of serveCoffee

Select all possible options that apply.

Part $2$

Which of the following statements will compile?

$($a$)$

Kiosk k $=$ new Kiosk$()$;

$($b$)$

Kiosk k $=$ new CoffeeShop$()$;

$($c$)$

CoffeeShop cs $=$ new Kiosk$()$;

Select all possible options that apply.

Part $3$

Which of the following can be passed as an argument to the method:

void visit$($Kiosk k$)\{$

$//...$

$\}$

$($a$)$

data whose apparent type is CoffeeShop and whose actual type is Kiosk

$($b$)$

data whose apparent type is Kiosk and whose actual type is Kiosk

$($c$)$

data whose apparent type is Bakery and whose actual type is Kiosk

Select all possible options that apply.