5. Write pseudocode using an if/then/else structure to do each of the following operations: a. Compute and display the value x + y if the value of y is not 0. If y does have the value 0, then display the message 'Unable to perform the division'. b. Compute the area and circumference of a circle given the radius r if the radius is greater than or equal to 1.0; otherwise compute only the circumference.