The following php variables are declared:$$

$company $=$ 'ABS Ltd$\text{'}$;$$

$$company $=\text{'},$Sydney';$$

Which of the following methods of printing 'ABS Ltd$,$Sydney' is incorrect?$$

Question $20$Answer

a$.$

echo $\text{'}$$company $$\{\text{'}$ABS Ltd$\text{'}\}\text{'}$;

b$.$

echo $\text{'}$$company $\{$$$company$\}\text{'}$;

c$.$

echo $\text{'}$$company $$\{$$company$\}\text{'}$;

d$.$

echo $\text{'}$$company $$company';