This is C++ code, please make sure the code is clear,

Given the recursive function: In the lext box below, answer the following 3 questions (leave a blank line between the answers). recursive case: code ... code I base case more code. more code II recursive case b. What is output when trp statement is executed: cout fun (4) endl: c. Consider the output statement in part b. In addition to the call to function fun in this cout statement, how many more times does fun call itself? cout fun(4) endl