answer the questions

Ace Novelty wishes to produce three types of souvenirs: type A,B, and C. To manufacture a type-A souvenir requires 2 minutes on machine I, 1 minute on machine II, and 2 minutes on machine III. A type-B souvenir requires 1 minute on machine I, 3 minutes on machine II, and 1 minute on machine III. A type- C souvenir requires I minute on machine 1, and 2 minutes each on machine II and III. There are three hours available on machine 1,5 hours available on