(a) Declare a variable "mark" to be an point integer data type. Your answer 1 point (b) Assign a default value 20 in a variable "mark" Your answer 2 points (c) Read any integer value from the user and then the value will be automatically assigned into a variable *mark". Your answer (d) Add value 2 to the variable "mark" 1 point and assign them to the same variable mark as well Your answer (e) Display the value of the mark on 2 points the screen. Your