Right program that will help an elementary school student learn multiplication. Use rand (a built-in C under stdlib.h) to produce two positive 1-digit integers. It should type a question such as: How much is 6 times 7? The student type the answer. Your program checks the correct answer. An input of -1, the program will end. The ff. are the random comments. Responses to a correct answer: Very good, Excellent, Nice work, Keep up the good work. Responses to a wrong answer: No, please try again, Wrong, try once more, Don't give up, Keep on trying.