Question 4 (1 point) Consider the following section of code: int x; int y; x=&y Which of the following is the most correct statement? Both X and Y are variables that exist on the stack. X is a variable that exists on the stack and Y is a variable that exists on the heap. Both X and Y are variables that exist on the heap. X is a variable that exists on the heap and Y is a variable that exists on the stack. Question 5 (1 point) Consider the following section of code: int x=( int ) malloc(4); Which of the following is the most correct statement? X is a variable that exists on the stack and there are 4 unnamed integers that exist on the heap. X is a variable that exists on the stack and there is a single, unnamed integer that exists on the heap. X is a variable that exists on the heap and there is a single, unnamed integer that exists on the stack. X is a variable that exists on the heap and there are 4 unnamed integers that exist on the stack