Write a c++ program a4p3.cpp with a class that is a derived class of your class from problem 2. add a private int member variable var2 to this class. initialize the member variables var and var2 with values between 1 and 50 using a constructor that takes two integer parameters. add a public member function called getsp that should print out the sum and product of var and var2. in your main function, create an object of this class, initialize its members var and var2 with the first two command line arguments to your program (i. e., argv[1] and argv[2]) and then call the play and getsp member functions. a sample run can look like the following. submit source code a4p3.cpp. no screen shot is needed. do not just submit a4p3.cpp because it includes all functionality of a4p2.cpp. you need to submit two separate program source files.