What is the Error 1's Correct code?

(a)  

What is the Error 2?

(a)  

What is the Error 2's Correct code?

(a)  

What is the Error 3?

(a)  

What is the Error 3's Correct code?

(a)  

What is the Error 4?

(a)  

What is the Error 4's Correct code?

(a)