Please solve this

1.1 Tina and Robert need to decide which one of them will take time off from work to compiete the rather urgent task of shearing their llamas. Tina is pretty good with a pair of shears; she can shear the llamas in 1 hour. Robert is somewhat slow; it takes him 9 hours to shear the llamas. Tina earns $200 per hour as a psychiatrist, while Robert earns $25 per hour as a cobbler. Keeping in mind that either Tina or Robert must take time off from work to shear the llamas, who has the lowest opportunity cost of completing the task? 1.2 Suppose that the manager of a restaurant has two new employees, Ron and Hung, and is trying to decide which one to assign to which task. Ron can chop 40 pounds of vegetables or wash 200 dishes per hour. Hung can chop 60 pounds of vegetables or wash 240 dishes. Determine who has the lower opportunity cost of washing dishes compared to chopping vegetables. Who should be assigned to wash dishes? 1.3 Jake is a hard-working college sophomore. One Saturday, he Time Problems decides to work nonstop until he has answered all practice problems Soived for his math course. He starts work at 8:00 AM and uses a table to 8'00 AM \" keep track of his progress throughout the day. He notices that as he 900 AM gets tired, it takes him longer to solve each problem. ' Use the table to answer the following questions. Write on the line. 1 1100 AM 80 (1) The marginal gain from Jake's first hour of work is problems. The marginal gain from Jake's third hour of work is problems. (2) Later, the teaching assistant in Jake's math course gives him some advice. \"Based on past experience," the teaching assistant says, \"working on 15 problems raises a student's exam score by about the same amount as reading the textbook for 1 hour." For simplicity, assume students always cover the same number of pages during each hour they spend reading. Given this information, to use his 4 hours of study time to get the best exam score possible, how many hours should he have spent working on problems, and how many should he have spent reading? Answer: hour(s) working on problems, hour(s) reading