Which of the following can be the result of an attempt to compile and execute the Java SE code below?

import java.math.BigDecimal;

interface Account$\{$

BigDecimal balance $=$ new BigDecimal$(0\mathrm{.}00)$;

$\}$

class SavingsAccount implements Account $\{$

public SavingsAccount$($BigDecimal initialValue$)\{$

balance $=$ initialValue;

$\}$

public String toString$()\{$

return balance.toString$()$;

$\}$

public static void main$($String args$[])\{$

SavingsAccount instance $=$ new SavingsAccount$($new BigDecimal$(50\mathrm{.}00))$;

System.out.println$($instance$)$;

$\}$

$\}$