17. Which of the following statements is true about designing programs involving multiple classes? Why? a. It is a good practice to have high degree of cohesion and a high degree of coupling. b. It is a good practice to have low degree of cohesion and a low degree of coupling c. It is a good practice to have high degree of cohesion and a low degree of coupling d. It is a good practice to have low degree of cohesion and a high degree of coupling. e. It is a good practice to have neither class cohesion nor coupling with a program involving multiple classes