B.You were invited by a close friend to help her organizing a benefit dinner, in which guests will have multiple choices of meals. According to your friend, they will be able to choose from 4 different salads, 4 entres, and 5 different delicious desserts. As a student of Probability and Statistics, you want to find out how many different combinations of meals are possible. Please find that number, showing the rationale and calculations that led you to the answer.